Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Amino-1,3,4-thiadiazole-2-thiol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 5-Amino-1,3,4-thiadiazole-2-thiol
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 5-Amino-1,3,4-thiadiazole-2-thiol
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

2349-67-9

2349-67-9 structure

Name: 5-Amino-1,3,4-thiadiazole-2-thiol
Chemical Name: 5-Amino-1,3,4-thiadiazole-2-thiol
CAS Number: 2349-67-9
Molecular Formula: C₂H₃N₃S₂
Molecular Weight: 133.20
Create Date: 2018-12-17 20:36:29
Modify Date: 2026-07-03 11:58:06
2-Amino-5-mercapto-1,3,4-thiadiazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	5-Amino-1,3,4-thiadiazole-2-thiol
Synonyms	T5NN DSJ CZ ESH 5-Amino-1,3,4-thiadi 5-amino-1,3,4-thiadiazole-2(3h)-thione 2-Amino-delta,3,4-thiadiazoline-5-thione Acetazolamide Impurity 7(Acetazolamide Impurity G) 5-Amino-1,3,4-thiadiazole-2(3H)-thione 4-thiadiazole-2-thiol,5-amino-3 EAMTD 2-Mercapto-5-amino-1,3,4-thiadiazole 2-Amino-1,3,4-thiadiazole-5-thiol 2-Amino-5-mercapto-1,3,4-thiadiazole(AMTD) 5-Mercapto-2-amino-1,3,4-thiadiazole 2-Amino-5-mercapto-1,3,4-thiadiazole 2-AMINO-5-MERCAPTO-1,3,4-THIADIAZOLE FOR 5-Amino-2-thiol-1,3,4-thiadiazole 5-Amino-1,3,4-thiazole-2-thiol 2-amino-5-mercapto-1,3,4-thiadiazol 5-Amino-1,3,4-thiadiazoL 5-Amino-1,3,4-thiadiazoline-2-thione 5-Mercapto-1,3,4-thiadiazole-2-amine Acetazolamide Impurity G 2-Amino-5-mercapto-1,3,4-thiadiazole > 5-amino-2-mercapto-1,3,4-thiadiazole EINECS 219-078-4 Pesticide InterMediates 2-Amino-5-mercapto-1,3,4-thiadiazole, 5-Amino-1,3,4-thiadiazole-2-thiol 5-sulfanyl-1,3,4-thiadiazol-2-ylamine Acetazolamide Impurity 7 USAF pd-25 2-Amino-5-mercapto-1,3,4-thiad 4-thiadiazole-2(3h)-thione,5-amino-3 2-amino-5-mercapto-1,3,4-triazole Amino - - Mercapto - 1 and 4 - consult in 1 1,3,4-Thiadiazole-2-thiol, 5-amino 5-amino-3H-1,3,4-thiadiazole-2-thione 2-AMino-5-Mercapto-1 5-Amino-2-mercapto-1,3,4-thiadiazole e-2-thioL 2-AMINO-5-MERCAPTO-1,3,4-THIADIAZOLE usafpd-25 2-amino-5-sulfanyl-1,3,4-thiadiazole 2-Amino-1,3,4-thiadiazole-5-mercaptan 5-Amino-3H-[1,3,4]thiadiazole-2-thione 2-amino thiadiazole-5-thiol 5-Amino-1,3,4-thiadiazole-2-thiol, R delta2-1,3,4-Thiadiazoline-2-thiol, 5-imino 1,3,4-Thiadiazole-2(3H)-thione, 5-amino 2-amino-delta-1,3,4-thiadiazoline-5-thione 3,4-Thiadiazole-2(3H)-thione,5-amino-1 ACETYLAMINE(2-)-5-MERCAPTO-1,3,4-THIADAZOLE AMTD 2-Amino-5-mercapto-1,3,4-thiadiazole nsc21402 2-AMINO-5-MERCAPTO-1,3,4-THIADIAZOLE /AMT 5-amino-1,3,4-thialiazoline-2(3H)-thione 2-amino-5-mrecapto-1,3,4-thiadiazol 2-Amino-5-thio-1,3,4-thiadiazole MFCD00128160 5-Amino-1,3,4-thiadiazole-2(3H)-thione Solution, 100ppm 2-Amino-5-mercaptothiadiazole 2-amino-5-mercapto-1,3,4-thiiodiazole 2-Thiol-5-amino-1,3,4-thiadiazole

Description	2-Amino-5-mercapto-1,3,4-thiadiazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others

Density	2.0±0.1 g/cm3
Boiling Point	242.3±23.0 °C at 760 mmHg
Melting Point	235 °C (dec.)(lit.)
Molecular Formula	C₂H₃N₃S₂
Molecular Weight	133.20
Flash Point	100.3±22.6 °C
Exact Mass	132.976837
PSA	118.84000
LogP	-0.77
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.991
Water Solubility	insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XI4550000

CHEMICAL NAME :: 1,3,4-Thiadiazole-2-thiol, 5-amino-

CAS REGISTRY NUMBER :: 2349-67-9

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C2-H3-N3-S2

MOLECULAR WEIGHT :: 133.20

WISWESSER LINE NOTATION :: T5NN DSJ CZ ESH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490

Hazard Codes	Xi:Irritant
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S36/37
WGK Germany	3
RTECS	XI4550000
HS Code	29349990

75-15-0

79-19-6

~86%

2349-67-9

Literature: Dubey, Vaibhav; Pathak, Manish; Bhat, Hans R.; Singh, Udaya P. Chemical Biology and Drug Design, 2012 , vol. 80, # 4 p. 598 - 604

79-19-6

2349-67-9

Literature: US3940409 A1, ;

140-89-6

79-19-6

~65%

2349-67-9

Literature: Olin Corporation Patent: US4252962 A1, 1981 ;

68967-31-7

~24%

2349-67-9

28004-46-8

Literature: Heterocycles, , vol. 14, # 2 p. 197 - 200

Precursor 4
75-15-0 79-19-6 140-89-6 68967-31-7
DownStream 10
32418-24-9 30062-47-6 30062-49-8 32873-56-6
5319-77-7 53918-05-1 33313-07-4 33313-06-3
175135-68-9 25660-71-3

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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