3,4-Dichloro-1,2,5-thiadiazole, 99%

Catalog No.	Quantity
AAA1173809	10 g
AAA1173818	50 g
AAA1173830	250 g

Catalog No. AAA1173809 Supplier Thermo Scientific Chemicals Supplier No. A1173809

Description

CAS: 5728-20-1 | C2Cl2N2S | 155.00 g/mol

3,4-Dichloro-1,2,5-thiadiazole is a chlorinated thiadiazole that is a potent inhibitors of nitrification in soil. 3,4-Dichloro-1,2,5-thiadiazole is used as a building block in the preparaton of the β-adrenergic blocking agent, Timolol.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3,4-Dichloro-1,2,5-thiadiazole is a chlorinated thiadiazole that is a potent inhibitors of nitrification in soil. 3,4-Dichloro-1,2,5-thiadiazole is used as a building block in the preparaton of the β-adrenergic blocking agent, Timolol.

Solubility
Soluble in chloroform and methanol.

Notes
Hygroscopic. Store under dry inert gas. Incompatible with moisture and oxidizing agents, acids and bases.

Specifications

Chemical Identifiers

• CAS: 5728-20-1
• Molecular Formula: C2Cl2N2S
• Molecular Weight (g/mol): 155.00
• MDL Number: MFCD00010072
• InChI Key: YNZQOVYRCBAMEU-UHFFFAOYSA-N
• Synonym: 1,2,5-thiadiazole, 3,4-dichloro, dichloro-1,2,5-thiadiazole, 3,4-dichloro-1,2,5 thiadiazole, pubchem20790, acmc-1al9l, ksc272e3d, 4,5-dichloro-2,1,3-thiadiazole, 3,4-bis chloranyl-1,2,5-thiadiazole, 3,4-dichloro-1,2,5-thiadiazole
• PubChem CID: 79804
• IUPAC Name: 3,4-dichloro-1,2,5-thiadiazole
• SMILES: ClC1=NSN=C1Cl

• Density: 1.644
• Boiling Point: 157°C to 159°C
• Flash Point: >100°C (212°F)
• Refractive Index: 1.562
• Quantity: 10 g
• UN Number: UN2810
• Beilstein: 606585
• Sensitivity: Hygroscopic
• Solubility Information: Soluble in chloroform and methanol.
• Formula Weight: 155.01
• Percent Purity: 99%
• Chemical Name or Material: 3,4-Dichloro-1,2,5-thiadiazole

Safety and Handling

Hazard Category	H302+H312+H332-H315-H319-H335
Hazard Statement	GHS H Statement H301 Toxic if swallowed.
Precautionary Statement	P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
DOTInformation	Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: TOXIC, LIQUIDS, ORGANIC, N.O.S.
EINECSNumber	227-232-7
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only