8.45501
Thiourea
for photovoltaic
Synonym(s):
Thiourea, Thiocarbamide
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About This Item
Empirical Formula (Hill Notation):
CH4N2S
CAS Number:
Molecular Weight:
76.12
UNSPSC Code:
12352111
EC Index Number:
200-543-5
NACRES:
NA.22
MDL number:
Form:
solid
Quality Level
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
SMILES string
S=C(N)N
InChI
1S/CH4N2S/c2-1(3)4/h(H4,2,3,4)
InChI key
UMGDCJDMYOKAJW-UHFFFAOYSA-N
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
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
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Warning
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 2 - Repr. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
Certificates of Analysis (COA)
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