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CAS No. 79-19-6
Chemical Name: thiosemicarbazide
Synonyms: TSZ;TSC;CHP3;NSC 2213;ai3-16319;NSC 31792;usafek-1275;USAF ek-1275;Aminothiourea;aminothio-urea
CBNumber: CB0132714
Molecular Formula: CH5N3S
Formula Weight: 91.14
MOL File: 79-19-6.mol
thiosemicarbazide Property
Melting point : 180-183 °C (dec.)(lit.)
storage temp. : Poison room
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.
CAS DataBase Reference: 79-19-6(CAS DataBase Reference)
NIST Chemistry Reference: Hydrazinecarbothioamide(79-19-6)
EPA Substance Registry System: Hydrazinecarbothioamide(79-19-6)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501
H313 May be harmful in contact with skin Acute toxicity,dermal Category 5 P312
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P321 Specific treatment (see … on this label).
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P405 Store locked up.

thiosemicarbazide Chemical Properties,Usage,Production

Chemical Properties
white crystalline solid
General Description
N-Aminothiourea is a white crystalline powder and is odorless. N-Aminothiourea is used as a reagent for ketones and certain metals, for photography and as a rodenticide. N-Aminothiourea is also effective for control of bacterial leaf blight of rice. Not a registered pesticide in the U.S. N-Aminothiourea is a chemical intermediate for herbicides and a reagent for detection of metals.
Reactivity Profile
Isocyanates and thioisocyanates are incompatible with many classes of compounds, reacting exothermically to release toxic gases. Reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. Acids and bases initiate polymerization reactions in these materials. Some isocyanates react with water to form amines and liberate carbon dioxide. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence, [Wischmeyer(1969)].
Health Hazard
N-Aminothiourea is highly toxic by ingestion. May induce goiter and cause delayed toxic effects in blood and skin. May be mutagenic in human cells.
Fire Hazard
When heated to decomposition, very toxic fumes of sulfur oxides and nitrogen oxides are emitted.
thiosemicarbazide Preparation Products And Raw materials
Raw materials
Hydrazine sulfate Ammonium thiocyanate Thiocarbamide
Preparation Products
1,2,3,4-THIATRIAZOL-5-AMINE Robenidine hydrochloride 3-tert-butyl-1H-1,2,4-triazole-5-thiol 5-AMINO-1,3,4-THIADIAZOLE-2-CARBOXYLIC ACID ETHYL ESTER CAFENSTROLE AZIDITHION 2-tirfluoromethylpyridine 1-(5-TRIFLUOROMETHYL-[1,3,4]THIADIAZOL-2-YL)-PIPERAZINE Rubber auxiliary (6R,7R)-7-[[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(2-methyl-5,6-dioxo-1H-1,2,4-triazin-3-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid BISMERTHIAZOL 5-amino-1,3,4-thiadiazole-2-carboxylic acid
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79-19-6(thiosemicarbazide)Related Search:
1-ACETYL-3-THIOSEMICARBAZIDE 4-PHENYL-3-THIOSEMICARBAZIDE 2-METHYL-3-THIOSEMICARBAZIDE 4-ALLYL-3-THIOSEMICARBAZIDE 2-THIO-6-AZAURIDINE N-Aminothiourea THIOSEMICARBAZIDE Semicarbazide 4-METHYL-3-THIOSEMICARBAZIDE Semicarbazide hydrochloride Thiocarbamide 4,6-Dihydroxy-2-mercaptopyrimidine Thioacetic acid Dithiooxamide Thiocarbohydrazide Acetone thiosemicarbazone Thioacetamide Ammonium thiosulfate
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