thiosemicarbazide

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thiosemicarbazide

Product Name: thiosemicarbazide
CAS No.: 79-19-6
Chemical Name: thiosemicarbazide
Synonyms: HYDRAZINECARBOTHIOAMIDE;TSC;Aminothiourea;n-aminothiourea;TSZ;3-thiosemicarbazide;CHP3;NSC 2213;ai3-16319;NSC 31792
CBNumber: CB0132714
Molecular Formula: CH5N3S
Formula Weight: 91.14
MOL File: 79-19-6.mol

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thiosemicarbazide Property

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)

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Safety

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)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H300Fatal if swallowed

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P273Avoid release to the environment.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 89050
Product name: Thiosemicarbazide
Purity: puriss. p.a., 98%
Packaging: 25g
Price: $48.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: 89050
Product name: Thiosemicarbazide
Purity: puriss. p.a., 98%
Packaging: 100g
Price: $65.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.21119
Product name: Thiosemicarbazide
Purity: for synthesis
Packaging: 1kg
Price: $252
Updated: 2022/05/15

TCI Chemical

Product number: T0221
Product name: Thiosemicarbazide
Purity: >98.0%(T)
Packaging: 25g
Price: $56
Updated: 2024/03/01

TCI Chemical

Product number: T0221
Product name: Thiosemicarbazide
Purity: >98.0%(T)
Packaging: 100g
Price: $139
Updated: 2024/03/01

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thiosemicarbazide Chemical Properties,Usage,Production

Chemical Properties

white crystalline solid

Chemical Properties

Thiosemicarbazide is an odorless, white crystalline powder.

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.

Uses

As a reagent for detection of metals.

Definition

ChEBI: Hydrazinecarbothioamide is a member of the class of thioureas that is thiourea in which a hydrogen of one of the amino groups is replaced by an amino group. It is a member of hydrazines, a thiocarboxamide and a member of thioureas.

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.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by ingestion, intraperitoneal, and intravenous routes. Questionable carcinogen with experimental tumorigenic data. Human mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx.

Potential Exposure

Thiosemicarbazide is a dithiocarbamide compound is used as an intermedialte for pharmaceuticals and herbicides; as a reagent for ketones and certain metals; in certain photography and dye operations; as a rodenticide. It is also effective for control of bacterial leaf blight of rice.

Shipping

UN2771 Thiosemicarbazide, pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Crystallise thiosemicarbazide from H2O (solubility is 20.3% w/w at 80o). The hydrochloride has m 190-191o(dec, 184o also reported). It forms salts with heavy metals. [Beilstein 3 H 195, 3 I 79, 3 II 134, 3 III 315, 3 IV 374.]

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.) and strong reducing agents; contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. May react with nitrates.

thiosemicarbazide Preparation Products And Raw materials

Raw materials

Hydrazine sulfate Ammonium thiocyanate Thiourea

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 2-Chloropyrimidine-4-carboxylic acid Rubber auxiliary CEFTRIAXONE BISMERTHIAZOL 5-amino-1,3,4-thiadiazole-2-carboxylic acid

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View Lastest Price from thiosemicarbazide manufacturers

HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

Product: thiosemicarbazide 79-19-6
Price: US $999.00-800.00/ton
Min. Order: 1ton
Purity: 99%
Supply Ability: 5000
Release date: 2024-08-21

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Thiosemicarbazide 79-19-6
Price: US $0.00-0.00/Kg/Drum
Min. Order: 1KG
Purity: 98%min
Supply Ability: 1000 KG
Release date: 2021-06-03

Jinan Finer Chemical Co., Ltd

Product: N-Aminothiourea 79-19-6
Price: US $0.00/Kg/Drum
Min. Order: 1KG
Purity: 99%
Supply Ability: 200mt
Release date: 2021-12-07

79-19-6, thiosemicarbazideRelated Search:

Semicarbazide hydrochloride Thiourea 2-Thiobarbituric acid Thioacetic acid Dithiooxamide Thiocarbohydrazide Acetone thiosemicarbazone Thioacetamide Ammonium thiosulfate Sodium thiosulfate Semicarbazide 1-ACETYL-3-THIOSEMICARBAZIDE 4-PHENYL-3-THIOSEMICARBAZIDE 4-METHYL-3-THIOSEMICARBAZIDE 4-ALLYL-3-THIOSEMICARBAZIDE Dithizone 6-AZA-2-THIOTHYMINE Hydrazodicarbothioamide

TSC

THIOCARBAMOYL HYDRAZIDE

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AKOS BBS-00004328

LABOTEST-BB LT01593682

HYDRAZINECARBOTHIOAMIDE

Calcineurin B homologous protein 3

CHP3

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1-amino-2-thiourea(thiosemicarbazide)

1-Aminothiourea

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3-thio-semicarbazid

ai3-16319

Aminothiourea

aminothio-urea

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Rcra waste number P116

rcrawastenumberp116

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Semicarbazide, thio-

semicarbazide,3-thio-

Thiocarbamoylhydrazine

Thiocarbamylhydrazine

thio-semicarbazid

thiosemicarbazide0

TSZ

USAF ek-1275

usafek-1275

THIOSEMICARBAZIDE

Thiosemicarbazide,Thiocarbamoyl hydrazide

THIOSEMICARBAZIDE GR FOR ANALYSIS

NSC 2213

NSC 31792

ThioseMicarbaxide

ThioseMicarbazide puriss. p.a., >=99.0%

ThioseMicarbazide, AR,98.5%

ANTI-TESC (C-TERM) antibody produced in rabbit

THIOSEMICARBAZIDE,REAGENT

TNISEMICARBAZIDE

THIOSEMICARBAZIDE R. G.

Hydrazine Carbothiamide

ThiosemicarbazideGr

ThiosemicarbazideForSynthesis

ThiosemicarbazideA.R

Thiosemicarbazide,99%

hiosemicarbazide

THIOSEMICARBAZIDE 79-19-6

Aminohydrazinomethane-1-thione

Thiosemicarbizide AR

Thiosemicarbazide, GR 99%+

Thiosemicarbazide 98% AR 25GM

Thiosemicarbazide 98% AR 100GM

Thiosemicarbacid

Thiosemicarbazide、Hydrazinecarbothioamide、N-Aminothiourea

79-19-6