Thiosemicarbazide , AR,99% , 79-19-6

Synonym(s):
Thiocarbamoyl hydrazide;Thiosemicarbazide;TSC;TSZ

CAS NO.：79-19-6

Empirical Formula: CH5N3S

Molecular Weight: 91.14

MDL number: MFCD00007620

EINECS: 201-184-7

PRODUCT Properties

• Melting point: 180-183 °C (dec.)(lit.)
• Boiling point: 208.6±23.0 °C(Predicted)
• Density: 1.221 (estimate)
• vapor pressure: 1.15Pa at 25℃
• refractive index: 1.5800 (estimate)
• storage temp.: Store at +15°C to +25°C.
• solubility: DMSO : 125 mg/mL (1371.52 mM; Need ultrasonic)
• pka: pK1:1.5(+1) (25°C,μ=0.1)
• form: Powder
• color: White to light yellow
• PH: 5-7 (50g/l, H2O, 20℃)
• Water Solubility: soluble
• Merck: 14,9361
• BRN: 506320
• Stability: Stable. Incompatible with strong oxidizing agents.
• InChIKey: BRWIZMBXBAOCCF-UHFFFAOYSA-N
• LogP: -1.67
• CAS DataBase Reference: 79-19-6(CAS DataBase Reference)
• NIST Chemistry Reference: Hydrazinecarbothioamide(79-19-6)
• EPA Substance Registry System: Thiosemicarbazide (79-19-6)

Description and Uses

Used in TLC to stain alpha-keto acidsThiosemicarbazide is used as a reagent for ketones as well as chemical intermediate. It is involved in the detection of metals. It is also used in photography. Further, it is effective for controlling bacterial leaf blight in rice. In addition to this, it is used to prepare 1,3,4-thiadiazoles.

Safety

• Symbol(GHS): GHS06
• Signal word: Danger
• Hazard statements: H300-H412
• Precautionary statements: P264-P270-P273-P301+P310-P405-P501
• Hazard Codes: T+
• Risk Statements: 28-52/53-26/27/28
• Safety Statements: 22-26-36/37-45-61-28A-36/37/39
• RIDADR: UN 2811 6.1/PG 2
• WGK Germany: 3
• RTECS: VT4200000
• F: 8-9-23
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: II
• HS Code: 29309070
• HS Code: 29335995
• Hazardous Substances Data: 79-19-6(Hazardous Substances Data)
• Toxicity: LD50 orally in adult Norway rats: 13 mg/kg, Dieke, Proc. Soc. Exp. Biol. Med. 70, 688 (1949)