8.45501

Thiourea

for photovoltaic

• Synonym(s): Thiourea, Thiocarbamide
• Empirical Formula (Hill Notation): CH₄N₂S
• CAS Number: 62-56-6
• Molecular Weight: 76.12
• MDL number: MFCD00008067
• UNSPSC Code: 12352111
• EC Index Number: 200-543-5
• NACRES: NA.22

Properties

• Quality Level: 200
• form: solid
• autoignition temp.: 440 °C (Dust)
• potency: 1750 mg/kg LD₅₀, oral (Rat); >2800 mg/kg LD₅₀, skin (Rabbit)
• pH: 6-8 (20 °C, 50 g/L in H₂O)
• mp: 169-173 °C
• solubility: 137 g/L
• density: 1.405 g/cm³ at 20 °C
• bulk density: 640 kg/m³
• storage temp.: no temp limit
• InChI: 1S/CH4N2S/c2-1(3)4/h(H4,2,3,4)
• InChI key: UMGDCJDMYOKAJW-UHFFFAOYSA-N

Description

Analysis Note

Assay: ≥ 98.0 %
Identity (IR): passes test
Appearance of solution (50 g/l; water): clear to nearly clear and colourless
Appearance (visual): white to off white crystalin powder
Melting point: 174 - 178 °C
Al (Aluminium): ≤ 5 ppm
As (Arsenic): ≤ 5 ppm
Co (Cobalt): ≤ 5 ppm
Cr (Chromium): ≤ 5 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
Mn (Manganese): ≤ 5 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sb (Antimony): ≤ 5 ppm
Sn (Tin): ≤ 5 ppm
Zn (Zinc): ≤ 5 ppm
Sulfated ash (600 °C): ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %
Sensitivity to bismuth: passes test

Safety Information

• Pictograms: GHS07,GHS08,GHS09
• Signal Word: Warning
• Hazard Statements: H302 - H351 - H361fd - H411
• Precautionary Statements: P201 - P202 - P264 - P273 - P301 + P312 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 2 - Repr. 2
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3