Benzenesulfonic acids and derivatives
4-Sulfophthalic Acid (contains 3-Sulfophthalic Acid) (ca. 50% in Water), TCI America™
CAS: 89-08-7 Molecular Formula: C8H6O7S Molecular Weight (g/mol): 246.189 MDL Number: MFCD00007494 InChI Key: WNKQDGLSQUASME-UHFFFAOYSA-N Synonym: 1,2-benzenedicarboxylic acid, 4-sulfo,phthalic acid, 4-sulfo,4-sulphophthalic acid,unii-t1sm5dom66,4-sulfobenzene-1,2-dicarboxylic acid,t1sm5dom66,4-sulfophthalic acid aq. soln.,5-sulfophthalic acid,acmc-209uex,1, 4-sulfo PubChem CID: 6962 IUPAC Name: 4-sulfophthalic acid SMILES: C1=CC(=C(C=C1S(=O)(=O)O)C(=O)O)C(=O)O
5-Sulfosalicylic Acid, Dihydrate, Crystal, ACS, 99.0-101.0%, Spectrum™ Chemical
CAS: 5965-83-3 Molecular Formula: C9H14O6S Molecular Weight (g/mol): 250.27 InChI Key: NFYHZVWMQHQKRU-UHFFFAOYSA-N IUPAC Name: 2-hydroxy-5-sulfobenzoic acid; bis(methane) SMILES: C.C.OC(=O)C1=CC(=CC=C1O)S(O)(=O)=O
Medchemexpress LLC Disodium monofluorophosphate | 10163-15-2 | 25 G
Disodium monofluorophosphate is a biochemical reagent used in life science research. It is a white to off-white solid that is stable under recommended storage conditions and is soluble in water.
- Biochemical reagent for life science research
- Solid appearance (white to off-white)
- Stable under recommended storage conditions
- Soluble in water (≥ 100 mg/mL)
- Recommended storage at 4°C, sealed, away from moisture
- Suitable for laboratory chemicals and substance manufacturing
Medchemexpress LLC Azomethine-H monosodium | 5941-07-1 | 97.0% | 10 MM 1 ML
Azomethine-H monosodium is a colour-forming reagent also used for boron determinations. It is suitable for research use only.
- Colour-forming reagent
- Reagent for boron determinations
- Used for manual determination of boron in complex borenes and boranes
- Used for determining dissolved boron in water
Medchemexpress LLC Disodium monofluorophosphate | 10163-15-2 | 100 G
Disodium monofluorophosphate is a biochemical reagent for life science-related research, suitable for use as a biological material or organic compound. It appears as a white to off-white solid.
- Used as a biochemical reagent
- Suitable for life science research
- Solid appearance
- White to off-white color
- Soluble in water: ≥ 100 mg/mL (694.69 mM)
- Store at 4°C, sealed and away from moisture
- When in solvent, store at -80°C for 6 months or -20°C for 1 month, sealed and away from moisture
Medchemexpress LLC Terephthalic acid disodium salt | 10028-70-3 | MFCD00013137 | 99.9% | 210.09 g/mol | C8H4Na2O4 | 5 G
Disodium terephthalate is the disodium salt of terephthalic acid, used as a chemical building block and biochemical reagent. It serves as a precursor in polyester (PET) production and is used in laboratory research applications, including formulation of skin tumor models. The material is provided as a solid for bench-scale experimental work.
- High purity suitable for analytical and research applications.
- Molecular weight 210.09 g/mol; formula C8H4Na2O4.
- Soluble in water (~70 mg/mL); ultrasonic agitation may be required.
- Supplied in small pack sizes convenient for laboratory use.
- Useful as a PET precursor and reagent in biochemical assays.
Medchemexpress LLC A-ketoglutaric acid (disodium hydrate) | MFCD00150702 | 95.0% | 208.08 g/mol | C5H6Na2O6 | 500 MG
Alpha-ketoglutaric acid disodium hydrate is the disodium salt hydrate of alpha-ketoglutaric acid supplied as a white to off-white solid for laboratory research use. It serves as a metabolic intermediate and reagent for biochemical assays, enzymology, and method development. Documentation such as COA and SDS is available for quality and handling information.
- Purity 95.0%.
- Molecular formula C5H6Na2O6 and molecular weight 208.08 g/mol.
- White to off-white solid appearance.
- High water solubility: ~175 mg/mL (ultrasonication assisted).
- Typical pack size 500 mg; larger sizes available on request.
- Storage: long-term at 4°C under nitrogen; stock solutions at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC DNDS (disodium) | 3709-43-1 | 99.4% | 5 G
DNDS (disodium) is a chemical substance primarily used as an erythrocyte sedimentation inhibitor in laboratory applications and for the manufacture of other substances. This compound has a molecular weight of 474.33, a chemical formula of C14H8N2Na2O10S2, and appears as a light yellow to yellow solid. It is soluble in water at 83.33 mg/mL (175.68 mM) and is stable under recommended storage conditions.
- Potent erythrocyte sedimentation inhibitor
- Purity of 99.4%
- CAS number: 3709-43-1
- Molecular weight: 474.33
- Chemical formula: C14H8N2Na2O10S2
- Solid appearance, light yellow to yellow color
- Boiling point of 552 °C at 760 mmHg
- Stable under recommended storage conditions
- Storage at 4°C, sealed, away from moisture and light
- In solvent storage at -80°C for 6 months or -20°C for 1 month
- Soluble in H2O at 83.33 mg/mL (175.68 mM)