1,3-Dimethylthiourea , >97.0%(T) , 534-13-4

Synonym(s):
1,3-Dimethylthiourea;N,N′-Dimethylthiourea

CAS NO.：534-13-4

Empirical Formula: C3H8N2S

Molecular Weight: 104.17

MDL number: MFCD00004923

EINECS: 208-588-2

PRODUCT Properties

• Melting point: 61-63 °C
• Boiling point: 155 °C (0.7501 mmHg)
• bulk density: 600kg/m3
• Density: 1.055 (estimate)
• refractive index: 1.5500 (estimate)
• Flash point: 200 °C
• storage temp.: Store below +30°C.
• solubility: 1000g/l (experimental)
• pka: 14.98±0.70(Predicted)
• form: Crystals, Crystalline Powder and/or Chunks
• color: Colorless to white
• PH: 6.5 (100g/l, H2O, 20℃)
• Water Solubility: 1000g/L (experimental)
• Merck: 14,3261
• BRN: 605454
• InChI: 1S/C3H8N2S/c1-4-3(6)5-2/h1-2H3,(H2,4,5,6)
• InChIKey: VLCDUOXHFNUCKK-UHFFFAOYSA-N
• SMILES: CNC(=S)NC
• CAS DataBase Reference: 534-13-4(CAS DataBase Reference)
• NIST Chemistry Reference: Thiourea, N,N'-dimethyl-(534-13-4)
• EPA Substance Registry System: N,N'-Dimethylthiourea (534-13-4)

Description and Uses

Dimethylthiocarbamide, an antioxygen agent, is responsible for sensitization, when unexposed to light, from diazo papers.

N,N'-Dimethylthiourea is an antioxidant present in diazo copy paper to prevent yellow discoloration of the paper.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H317
• Precautionary statements: P261-P272-P280-P302+P352-P333+P313-P362+P364
• PPE: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• Hazard Codes: T
• Risk Statements: 25-43
• Safety Statements: 36/37-45
• RIDADR: UN 2811 6.1/PG 3
• WGK Germany: 3
• RTECS: YT1520000
• F: 3-10
• TSCA: TSCA listed
• HazardClass: 6.1(b)
• PackingGroup: III
• HS Code: 29309090
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Skin Sens. 1