3-amino-4-mercapto-6-methylpyridazine

Modify Date: 2025-08-28 18:17:22

3-amino-4-mercapto-6-methylpyridazine structure	Common Name	3-amino-4-mercapto-6-methylpyridazine
	CAS Number	18591-81-6	Molecular Weight	141.19400
	Density	1.43g/cm3	Boiling Point	259ºC at 760mmHg
	Molecular Formula	C₅H₇N₃S	Melting Point	N/A
	MSDS	N/A	Flash Point	110.4ºC

Name	3-amino-6-methyl-1H-pyridazine-4-thione
Synonym	More Synonyms

Density	1.43g/cm3
Boiling Point	259ºC at 760mmHg
Molecular Formula	C₅H₇N₃S
Molecular Weight	141.19400
Flash Point	110.4ºC
Exact Mass	141.03600
PSA	90.60000
LogP	1.23710
Vapour Pressure	0.0133mmHg at 25°C
Index of Refraction	1.705

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR6066000

CHEMICAL NAME :: 4-Pyridazinethiol, 3-amino-6-methyl-

CAS REGISTRY NUMBER :: 18591-81-6

LAST UPDATED :: 199803

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H7-N3-S

MOLECULAR WEIGHT :: 141.21

WISWESSER LINE NOTATION :: T6NNJ CZ DSH F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1975 mg/kg

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

REFERENCE :: PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 37,285,1982

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1637 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis

REFERENCE :: PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 37,136,1982

HS Code	2933990090

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

3-Amino-4-mercapto-6-methyl-pyridazin

Pyridazin S1

3-Amino-6-methyl-4-pyridazinethiol

3-amino-4-mercapto-6-methylpyridazine

4-Pyridazinethiol,3-amino-6-methyl

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Product Name: 3-amino-4-mercapto-6-methylpyridazine
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Purity: 98.0%
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