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4-Methylthiosemicarbazide

4-Methylthiosemicarbazide structure

CAS No.: 6610-29-3

Chemical Name:: 4-Methylthiosemicarbazide

Synonyms: 4-METHYL-3-THIOSEMICARBAZIDE;methylthiosemicarbazide;n-methylthiosemicarbazide;b1130;4-Methylthiourea;4-Methylthiosemicarb;Methyl-3-thioseMicarbaz;4-METHYLTHIOSEMICARBAZIDE;4-methyl thiosemicarbazid;4-Methylthiosemicarbazide>

CBNumber:: CB5198113

Molecular Formula:: C2H7N3S

Molecular Weight:: 105.16

MDL Number:: MFCD00007617

MOL File:: 6610-29-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 03:55:03

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4-Methylthiosemicarbazide Properties

Melting point	135-138 °C (lit.)
Boiling point	168.4±23.0 °C(Predicted)
Density	1.155 (estimate)
vapor pressure	0Pa at 25℃
refractive index	1.5800 (estimate)
storage temp.	Poison room
solubility	DMSO (Slightly), Methanol (Slightly)
pka	11.45±0.70(Predicted)
form	solid
color	White to Off-White
Water Solubility	Soluble in alcohol. Slightly soluble in water.
BRN	605575
InChI	1S/C2H7N3S/c1-4-2(6)5-3/h3H2,1H3,(H2,4,5,6)
InChIKey	PTVZQOAHCSKAAS-UHFFFAOYSA-N
SMILES	CNC(=S)NN
LogP	-1.21
CAS DataBase Reference	6610-29-3(CAS DataBase Reference)
FDA UNII	PK83E1T776
EPA Substance Registry System	Hydrazinecarbothioamide, N-methyl- (6610-29-3)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H300

Precautionary statements

P264-P301+P310

PPE

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Hazard Codes

T+

Risk Statements

Safety Statements

45-28A-1

RIDADR

UN 2811 6.1/PG 2

WGK Germany

RTECS

MV1407370

TSCA

TSCA listed

HS Code

2930.90.9250

HazardClass

6.1

PackingGroup

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications

Acute Tox. 2 Oral

REACH Registrations

Inactive

NFPA 704

	1
4		0

4-Methylthiosemicarbazide price More Price(54)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	130060	4-Methyl-3-thiosemicarbazide 97%	6610-29-3	10g	$79.2	2026-04-30	Buy
Sigma-Aldrich	130060	4-Methyl-3-thiosemicarbazide 97%	6610-29-3	50g	$296	2026-04-30	Buy
TCI Chemical	M0289	4-Methylthiosemicarbazide >95.0%(T)	6610-29-3	25g	$64	2026-04-30	Buy
Usbiological	231524	3-Amino-1-methylthiourea 98+% (HPLC) ≥98%(HPLC)	6610-29-3	5g	$159	2026-06-03	Buy
Usbiological	231524	3-Amino-1-methylthiourea 98+% (HPLC) ≥98%(HPLC)	6610-29-3	25g	$192	2026-06-03	Buy

Product number	Packaging	Price	Buy
130060	10g	$79.2	Buy
130060	50g	$296	Buy
M0289	25g	$64	Buy
231524	5g	$159	Buy
231524	25g	$192	Buy

4-Methylthiosemicarbazide Chemical Properties, Uses, Production

Chemical Properties

white to almost white crystalline powder

Uses

4-Methyl-3-thiosemicarbazide is used in the analysis of electronic features of sulfur-using high-resolution, low-temperature X-ray diffraction data sets. Further, it acts as an intermediate in organic synthesis.

General Description

4-Methyl-3-thiosemicarbazide is a subject of considerable pharmacological interest owing to its wide range of biological effects.

Flammability and Explosibility

Non flammable

4-Methylthiosemicarbazide Preparation Products And Raw materials

Raw materials

Preparation Products

NSC82194 4-Methyl-5-pyridin-4-yl-4H-[1,2,4]triazole-3-thiol 4-Methyl-5-pyridin-3-yl-4H-[1,2,4]triazole-3-thiol N-methylthiatriazol-5-amine 5-Methylamino-[1,3,4]thiadiazole-2-thiol

4-Methyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol 5-(2-Furyl)-4-methyl-4H-1,2,4-triazole-3-thiol 4-Methyl-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol

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4-Methylthiosemicarbazide Suppliers

Global Suppliers ( 257)

Supplier	Tel	Email	Country	ProdList	Advantage
Jiaxing Deyi Chemical Co., Ltd	0573-85866609 13325730825	jiaxingshidy@163.com	China	7898	58
Henan Evonik Biotechnology Co. LTD	15672878902	hnyingchuang@163.com	China	4045	58
Hubei Chenghai Chemical Co., Ltd	027-59220433 18327245847	1400838877@qq.com	China	9527	58
Nanjing Optimal New Materials Technology Co., Ltd.	173-40521416 17340521416	1757224788@qq.com	China	2000	58
Nanjing Optimal New Materials Technology Co., Ltd.	180-86404407 17340521416	1757224788@qq.com	China	1021	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61

Supplier	Advantage
Jiaxing Deyi Chemical Co., Ltd	58
Henan Evonik Biotechnology Co. LTD	58
Hubei Chenghai Chemical Co., Ltd	58
Nanjing Optimal New Materials Technology Co., Ltd.	58
Nanjing Optimal New Materials Technology Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55
Energy Chemical	61

View Latest Price from 4-Methylthiosemicarbazide manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-11-08	4-Methylthiosemicarbazide 6610-29-3		1g	98%min	20kg/month	Nanjing jinheyou Trading Co., Ltd.
	2019-07-06	4-Methylthiosemicarbazide 6610-29-3	$1.00	1KG	99%		Career Henan Chemical Co

4-Methylthiosemicarbazide
6610-29-3
$0.00
98%min
Nanjing jinheyou Trading Co., Ltd.

4-Methylthiosemicarbazide
6610-29-3
$1.00
99%
Career Henan Chemical Co

4-Methylthiosemicarbazide Spectrum

4-Methylthiosemicarbazide(6610-29-3)MS 4-Methylthiosemicarbazide(6610-29-3)¹HNMR 4-Methylthiosemicarbazide(6610-29-3)¹³CNMR 4-Methylthiosemicarbazide(6610-29-3)IR1 4-Methylthiosemicarbazide(6610-29-3)IR2 4-Methylthiosemicarbazide(6610-29-3)Raman

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n-methyl-hydrazinecarbothioamid n-methylthiosemicarbazide 4-METHYLTHIOSEMICARBAZIDE Hydrazinecarbothioamide, N-methyl. Methylthiocarbamic acid hydrazide 4-Methylthiosemicarbazide,98% 4-Methylthiosemicarb 4-methyl thiosemicarbazid Methyl-3-thioseMicarbaz 4-Methyl-3-thiosemicarbazide 97% N-Methyl-hydrazine carbothioamide 4-methylhydrazinecarbothioamide b1130 methylthiosemicarbazide 4-Methylthiosemicarbazide> 4-Methyl-3-thiosemicarbazide, 97% 4-Methylthiourea 4-METHYL-3-THIOSEMICARBAZIDE 6610-29-3 6610-29-2 C2H7N3OS CH3NHCSNHNH2 Sulfur Compounds Thiocarbonyl Compounds Organic Building Blocks Building Blocks Organic Building Blocks Sulfur Compounds Thiocarbonyl Compounds