Pyridines and derivatives
- (4)
- (1)
- (5)
- (4)
- (138)
- (19)
- (2,068)
- (20)
- (2)
- (3)
- (84)
- (169)
- (1)
- (11)
- (45)
- (296)
- (64)
- (214)
- (6)
- (2)
- (2)
- (3)
- (1)
- (5)
- (6)
- (4)
- (8)
- (7)
- (12)
- (60)
- (857)
- (5)
- (51)
- (60)
- (55)
- (16)
- (337)
- (2)
- (4)
- (2)
- (1)
- (135)
- (1)
- (1,607)
- (2)
- (18)
- (7)
- (1)
- (80)
- (4)
- (10)
- (71)
- (123)
- (52)
- (36)
- (2)
- (1)
- (1)
- (1)
- (1)
- (2)
- (2)
- (1)
- (1)
- (2)
- (1)
- (2)
- (3)
- (3)
- (1)
- (1)
- (2)
- (2)
- (9)
- (4)
- (4)
- (2)
- (6)
- (17)
- (21)
- (1)
- (63)
- (21)
- (1)
- (29)
- (50)
- (7)
- (2)
- (1)
- (6)
- (6)
- (12)
- (1)
- (1)
- (1)
- (18)
- (1)
- (14)
- (4)
- (11)
- (5)
- (1)
- (10)
- (17)
- (2)
- (1)
- (2)
- (1)
- (1)
- (1)
- (1)
- (9)
- (7)
- (1)
- (1)
- (1)
- (4)
- (6)
- (2)
- (2)
- (3)
- (3)
- (1)
- (5)
- (15)
- (1)
- (1)
- (1)
- (12)
- (1)
- (1)
- (2)
- (3)
- (1)
- (2)
- (2)
- (15)
- (18)
- (4)
- (2)
- (5)
- (3)
- (1)
- (1)
- (1)
- (1)
- (5)
- (5)
- (9)
- (1)
- (2)
- (1)
- (1)
- (1)
- (2)
- (2)
- (16)
- (6)
- (5)
- (3)
- (5)
- (10)
- (2)
- (1)
- (6)
- (7)
- (7)
- (12)
- (34)
- (1)
- (12)
- (11)
- (4)
- (2)
- (2)
- (15)
- (15)
- (1)
- (1)
- (1)
- (2)
- (9)
- (3)
- (2)
- (1)
- (1)
- (1)
- (4)
- (6)
- (3)
- (3)
- (1)
- (3)
- (1)
- (3)
- (3)
- (1)
- (6)
- (5)
- (2)
- (1)
- (19)
- (9)
- (2)
- (1)
- (1)
- (22)
- (24)
- (2)
- (2)
- (1)
- (2)
- (2)
- (22)
- (16)
- (6)
- (2)
- (1)
- (1)
- (3)
- (6)
- (1)
- (2)
- (2)
- (1)
- (2)
- (1)
- (8)
- (17)
- (3)
- (1)
- (1)
- (7)
- (3)
- (1)
- (2)
- (6)
- (2)
- (4)
- (2)
- (1)
- (6)
- (2)
- (2)
- (3)
- (3)
- (5)
- (1)
- (1)
- (1)
- (1)
- (1)
- (5)
- (1)
- (2)
- (5)
- (3)
- (1)
- (4)
- (12)
- (49)
- (1)
- (4)
- (2)
- (3)
- (1)
- (2)
- (1)
- (1)
- (7)
- (10)
- (22)
- (30)
- (1)
- (1)
- (1)
- (3)
- (1)
- (2)
- (4)
- (11)
- (5)
- (1)
- (55)
- (6)
- (1)
- (7)
- (2)
- (1)
- (2)
- (4)
- (1)
- (1)
- (2)
- (2)
- (6)
- (4)
- (15)
- (5)
- (2)
- (1)
- (1)
- (1)
- (3)
- (10)
- (1)
- (17)
- (9)
- (1)
- (1)
- (1)
- (2)
- (4)
- (4)
- (1)
- (2)
- (1)
- (1)
- (1)
- (3)
- (11)
- (13)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (10)
- (21)
- (1)
- (17)
- (2)
- (1)
- (2)
- (1)
- (2)
- (9)
- (3)
- (1)
- (1)
- (7)
- (11)
- (3)
- (2)
- (2)
- (4)
- (5)
- (1)
- (1)
- (1)
- (2)
- (2)
- (1)
- (1)
- (2)
- (1)
- (1)
- (1)
- (2)
- (1)
- (1)
- (2)
- (35)
- (3)
- (4)
- (4)
- (3)
- (1)
- (2)
- (1)
- (2)
- (2)
- (5)
- (3)
- (5)
- (8)
- (4)
- (2)
- (1)
- (2)
- (2)
- (2)
- (2)
- (4)
- (2)
- (1)
- (2)
- (1)
- (1)
- (2)
- (1)
- (1)
- (10)
- (17)
- (1)
- (11)
- (1)
- (3)
- (1)
- (5)
- (19)
- (13)
- (1)
- (2)
- (2)
- (1)
- (3)
- (18)
- (11)
- (18)
- (1)
- (2)
- (3)
- (2)
- (17)
- (8)
- (6)
- (2)
- (1)
- (2)
- (2)
- (1)
- (4)
- (4)
- (1)
- (3)
- (2)
- (7)
- (11)
- (2)
- (2)
- (2)
- (4)
- (1)
- (3)
- (5)
- (6)
- (24)
- (1)
- (3)
- (1)
- (2)
- (6)
- (2)
- (4)
- (1)
- (1)
- (2)
- (2)
- (1)
- (2)
- (9)
- (1)
- (12)
- (12)
- (26)
- (8)
- (1)
- (1)
- (1)
- (7)
- (9)
- (1)
- (1)
- (1)
- (3)
- (1)
- (15)
- (5)
- (2)
- (2)
- (3)
- (4)
- (2)
- (1)
- (5)
- (3)
- (1)
- (1)
- (2)
- (3)
- (1)
- (8)
- (6)
- (1)
- (2)
- (2)
- (7)
- (1)
- (2)
- (11)
- (9)
- (1)
- (3)
- (4)
- (1)
- (3)
- (6)
- (6)
- (2)
- (1)
- (1)
- (3)
- (21)
- (1)
- (2)
- (5)
- (1)
- (6)
- (1)
- (2)
- (1)
- (1)
- (1)
- (1)
- (1)
- (6)
- (5)
- (4)
- (6)
- (4)
- (1)
- (1)
- (2)
- (3)
- (2)
- (3)
- (1)
- (3)
- (1)
- (2)
- (1)
- (7)
- (1)
- (2)
- (4)
- (1)
- (1)
- (4)
- (1)
- (3)
- (2)
- (2)
- (2)
- (1)
- (1)
- (2)
- (3)
- (15)
- (1)
- (1)
- (2)
- (1)
- (1)
- (1)
- (3)
- (1)
- (1)
- (1)
- (3)
- (2)
- (1)
- (2)
- (1)
- (1)
- (1)
- (3)
- (2)
- (1)
- (2)
- (2)
- (1)
- (3)
- (4)
- (1)
- (4)
- (27)
- (2)
- (15)
- (4)
- (3)
- (9)
- (4)
- (4)
- (18)
- (8)
- (2)
- (4)
- (7)
- (2)
- (33)
- (2)
- (75)
- (1)
- (4)
- (53)
- (1)
- (2)
- (1)
- (10)
- (6)
- (33)
- (1)
- (6)
- (1)
- (1)
- (106)
- (1)
- (11)
- (544)
- (5)
- (462)
- (42)
- (22)
- (130)
- (9)
- (2)
- (116)
- (2)
- (3)
- (1)
- (1)
- (26)
- (32)
- (15)
- (4)
- (13)
- (12)
- (1)
- (2)
- (2)
- (2)
- (1)
- (2)
- (20)
- (1)
- (1)
- (1)
- (27)
- (6)
- (1)
- (1)
- (4)
- (5)
- (4)
- (5)
- (3)
- (1)
- (3)
- (1)
- (49)
- (1)
- (11)
- (372)
- (5)
- (3)
- (137)
- (1)
- (1,041)
- (4)
- (3)
- (12)
- (918)
- (6)
- (35)
- (7)
- (1)
- (426)
- (26)
- (4)
- (9)
- (2)
- (4)
- (2)
- (1)
- (4)
- (1)
- (3)
- (19)
- (2)
- (8)
- (72)
- (4)
- (1,561)
- (2)
- (4)
- (12)
- (9)
- (1)
- (3)
- (9)
- (3)
- (2)
- (5)
- (4)
- (2)
- (1)
- (16)
- (3)
- (13)
- (13)
- (10)
- (2)
- (2)
- (1)
- (2)
- (2)
- (402)
- (5)
- (6)
- (2)
- (7)
- (2)
- (3)
- (2)
- (236)
- (3)
- (2)
- (3)
- (5)
- (2)
- (263)
- (3)
- (4)
- (4)
- (1)
- (2)
- (1)
- (4)
- (1)
- (2)
- (2)
- (2)
- (4)
- (2)
- (3)
- (9)
- (3)
- (2)
- (2)
- (2)
- (2)
- (7)
- (1)
- (1)
- (1)
- (2)
- (2)
- (8)
- (3)
- (2)
- (2)
- (5)
- (4)
- (2)
- (1)
- (1)
- (1)
- (2)
- (2)
- (2)
- (3)
- (1)
- (1)
- (3)
- (3)
- (1)
- (2)
- (3)
- (13)
- (1)
- (2)
- (1)
- (4)
- (2)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (1)
- (2)
- (1)
- (9)
- (1)
- (1)
- (2)
- (2)
- (1)
- (1)
- (1)
- (4)
- (1)
- (1)
- (1)
- (1)
- (2)
- (10)
- (1)
- (2)
- (1)
- (1)
- (3)
- (1)
- (3)
- (1)
- (1)
- (1)
- (1)
- (1)
- (3)
- (1)
- (1)
- (1)
- (3)
- (1)
- (1)
- (4)
- (2)
- (2)
- (5)
- (1)
- (2)
- (4)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (2)
- (2)
- (3)
- (3)
- (4)
- (2)
- (1)
- (3)
- (3)
- (2)
- (3)
- (5)
- (1)
- (3)
- (1)
- (2)
- (1)
- (1)
- (1)
- (1)
- (4)
- (1)
- (1)
- (3)
- (1)
- (2)
- (2)
- (1)
- (1)
- (1)
- (1)
- (1)
- (4)
- (1)
- (1)
- (1)
- (1)
- (5)
- (2)
- (1)
- (1)
- (2)
- (2)
- (1)
- (3)
- (1)
- (1)
- (2)
- (6)
- (1)
- (4)
- (1)
- (2)
- (2)
- (1)
- (1)
- (1)
- (2)
- (3)
- (1)
- (4)
- (3)
- (6)
- (1)
- (3)
- (1)
- (9)
- (2)
- (2)
- (2)
- (2)
- (2)
- (2)
- (1)
- (6)
- (1)
- (2)
- (1)
- (2)
- (3)
- (3)
- (1)
- (1)
- (2)
- (1)
- (3)
- (2)
- (2)
- (2)
- (1)
- (2)
- (6)
- (1)
- (2)
- (1)
- (1)
- (3)
- (9)
- (1)
- (1)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (3)
- (2)
- (6)
- (1)
- (1)
- (3)
- (1)
- (2)
- (3)
- (1)
- (3)
- (2)
- (2)
- (1)
- (1)
- (1)
- (2)
- (3)
- (1)
- (2)
- (1)
- (1)
- (1)
- (1)
- (2)
- (3)
- (2)
- (2)
- (2)
- (2)
- (1)
- (2)
- (5)
- (1)
- (2)
- (2)
- (3)
- (1)
- (3)
- (2)
- (3)
- (9)
- (4)
- (4)
- (4)
- (1)
- (2)
- (3)
- (4)
- (1)
- (1)
- (1)
- (1)
- (1)
- (2)
- (1)
- (7)
- (3)
- (2)
- (1)
- (2)
- (2)
- (5)
- (3)
- (1)
- (3)
- (2)
- (1)
- (3)
- (2)
- (3)
- (3)
- (1)
- (1)
- (2)
- (1)
- (4)
- (2)
- (1)
- (1)
- (3)
- (3)
- (2)
- (5)
- (2)
- (1)
- (4)
- (3)
- (3)
- (2)
- (1)
- (2)
- (3)
- (3)
- (2)
- (1)
- (1)
- (2)
- (3)
- (2)
- (1)
- (1)
- (1)
- (2)
- (1)
- (2)
- (4)
- (1)
- (3)
- (3)
- (2)
- (2)
- (4)
- (1)
- (1)
- (4)
- (4)
- (1)
- (4)
- (3)
- (7)
- (2)
- (2)
- (3)
- (1)
- (1)
- (3)
- (1)
- (2)
- (1)
- (1)
- (6)
- (1)
- (3)
- (1)
- (5)
- (3)
- (2)
- (1)
- (2)
- (2)
- (2)
- (2)
- (3)
- (1)
- (2)
- (1)
- (2)
- (2)
- (4)
- (2)
- (1)
- (2)
- (2)
- (1)
- (2)
- (2)
- (2)
- (3)
- (4)
- (5)
- (2)
- (2)
- (2)
- (3)
- (2)
- (1)
- (1)
- (3)
- (3)
- (3)
- (2)
- (2)
- (1)
- (6)
- (1)
- (1)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (1)
- (4)
- (1)
- (2)
- (5)
- (3)
- (5)
- (2)
- (1)
- (4)
- (4)
- (3)
- (1)
- (1)
- (1)
- (2)
- (4)
- (1)
- (1)
- (1)
- (2)
- (2)
- (1)
- (1)
- (1)
- (2)
- (7)
- (1)
- (1)
- (3)
- (3)
- (4)
- (3)
- (3)
- (5)
- (6)
- (2)
- (1)
- (2)
- (1)
- (2)
- (1)
- (4)
- (2)
- (1)
- (3)
- (2)
- (1)
- (1)
- (4)
- (7)
- (1)
- (1)
- (2)
- (2)
- (2)
- (2)
- (2)
- (1)
- (3)
- (3)
- (3)
- (4)
- (2)
- (3)
- (2)
- (2)
- (3)
- (3)
- (1)
- (1)
- (2)
- (5)
- (1)
- (4)
- (2)
- (2)
- (1)
- (1)
- (3)
- (1)
- (6)
- (1)
- (1)
- (3)
- (1)
- (2)
- (1)
- (6)
- (4)
- (13)
- (3)
- (5)
- (2)
- (2)
- (3)
- (2)
- (1)
- (3)
- (1)
Filtered Search Results
Sigma Aldrich 2-Amino-5-pyridinemethanol
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 113293-71-3 |
|---|
Sigma Aldrich (4'-METHOXYBIPHENYL-3-YL)METHANAMINE HYDROCHLORIDE
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
![Sigma Aldrich 4-Chloro-5-(3,4-dimethylphenyl)thieno[2,3-d]pyrimidine](https://assets.fishersci.com/TFS-Assets/CCG/Sigma-Aldrich/product-images/1a3006c9-c201-4df0-9d28-0f1e2e64f06e.jpg-250.jpg)
Sigma Aldrich 4-Chloro-5-(3,4-dimethylphenyl)thieno[2,3-d]pyrimidine
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 379241-56-2 |
|---|
Sigma Aldrich 4-(2-Morpholin-4-yl-2-oxoethoxy)aniline
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 76870-09-2 |
|---|
Sigma Aldrich 1,2-Diamino-3,5-dimethylbenzene
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 3171-46-8 |
|---|
Sigma Aldrich 2-Methyl-4,6,8-trichloroquinoline
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 1204-14-4 |
|---|
Sigma Aldrich 4-(Aldoximo)benzeneamidoxime
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Sigma Aldrich 1-Benzyl-1H-pyrazol-3-amine
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 21377-09-3 |
|---|
Sigma Aldrich 3-Benzyl-2,4-pentanedione
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 1134-87-8 |
|---|
Sigma Aldrich Ethylene-Tetrafluoroethylene Copolymer
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| Synonym | FP367920 |
|---|---|
| Recommended Storage | Room Temperature |
![Sigma Aldrich 2-Methyl-2H-benzo[b][1,4]thiazin-3(4H)-one](https://assets.fishersci.com/TFS-Assets/CCG/Sigma-Aldrich/product-images/d878fe45-c239-4380-9c49-9ef91016931a.jpg-250.jpg)
Sigma Aldrich 2-Methyl-2H-benzo[b][1,4]thiazin-3(4H)-one
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 7028-57-1 |
|---|
Sigma Aldrich Tris(2,2'-bipyridyl)dichlororuthenium(II) hexahydrate
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| Linear Formula | C30H24Cl2N6Ru -+ 6H2O |
|---|---|
| CAS | 50525-27-4 |
| Molecular Weight (g/mol) | 748.62 |
| MDL Number | MFCD00149670 |
| Synonym | Ru(BPY)3; Ruthenium-tris(2,2 -bipyridyl) dichloride; Tris(2,2 -bipyridyl)ruthenium(II) chloride hexahydrate |
| RTECS Number | VM2730000 |
| Recommended Storage | Room Temperature |
| Molecular Formula | C30H24Cl2N6Ru -+ 6H2O |
| Melting Point | >300°C |
Sigma Aldrich 2-Mercapto-5-nitrobenzimidazole
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| CAS | 6325-91-3 |
|---|
Sigma Aldrich 2,5-Diaminobenzenesulfonic acid
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| Percent Purity | ≥97.0% (T) |
|---|---|
| Linear Formula | (H2N)2C6H3SO3H |
| CAS | 88-45-9 |
| Molecular Weight (g/mol) | 188.2 |
| MDL Number | MFCD00007904 |
| RTECS Number | DB5900100 |
| Recommended Storage | Room Temperature |
| Molecular Formula | C6H8N2O3S |
| EINECS Number | 201-832-9 |
| Melting Point | 298°C to 300°C (dec.) (lit.) |
Sigma Aldrich 2-Hydroxy-5-nitropyridine
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
| Percent Purity | 97% |
|---|---|
| Linear Formula | C5H4N2O3 |
| CAS | 5418-51-9 |
| Molecular Weight (g/mol) | 140.1 |
| MDL Number | MFCD00006276 |
| Synonym | 5-Nitro-2-pyridinol |
| Recommended Storage | Room Temperature |
| Molecular Formula | C5H4N2O3 |
| EINECS Number | 226-525-7 |
| Melting Point | 188°C to 191°C (lit.) |