1.07979

Thiourea

GR for analysis ACS,Reag. Ph Eur

• Synonym(s): Thiourea, Thiocarbamide
• Empirical Formula (Hill Notation): CH₄N₂S
• CAS Number: 62-56-6
• Molecular Weight: 76.12
• UNSPSC Code: 12352111
• EC Index Number: 200-543-5
• NACRES: NB.21
• MDL number: MFCD00008067
• Form: solid

Properties

• grade: ACS reagent
• Quality Segment: 200
• 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

Description

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

Safety Information

• pictograms: GHS08,GHS07,GHS09
• signalword: Warning
• hcodes: H302,H351,H361fd,H411
• pcodes: P202 - P264 - P273 - P280 - P301 + P312 - P308 + P313
• 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