1.07979
Thiourea
GR for analysis ACS,Reag. Ph Eur
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:
NB.21
MDL number:
eCl@ss:
32150917
Form:
solid
grade
ACS reagent
Quality Segment
agency
reag. Ph. Eur.
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.
15-25°C
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: ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance of solution (50 g/l; water): Clear to almost clear and colorless.
Melting point: 174 - 178 °C
Fe (Iron): ≤ 0.0005 %
Sulfated ash (600 °C): ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %
Sensitivity to bismuth: passes test
Corresponds to ACS, Reag. Ph Eur
Identity (IR-spectrum): passes test
Appearance of solution (50 g/l; water): Clear to almost clear and colorless.
Melting point: 174 - 178 °C
Fe (Iron): ≤ 0.0005 %
Sulfated ash (600 °C): ≤ 0.1 %
Loss on Drying (105°C): ≤ 0.5 %
Sensitivity to bismuth: passes test
Corresponds to ACS, Reag. Ph Eur
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 2 - Repr. 2
Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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