13808-64-5

13808-64-5 structure

Name: 4-Bromo-3-methylpyrazole
Chemical Name: 4-Bromo-3-methylpyrazole
CAS Number: 13808-64-5
Molecular Formula: C₄H₅BrN₂
Molecular Weight: 161.000
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrazines
Create Date: 2018-03-20 08:00:00
Modify Date: 2024-01-02 15:10:31

Name	4-Bromo-3-methylpyrazole
Synonyms	MFCD00005241 4-Bromo-3-methylpyrazole 4-bromo-5-methyl-1H-pyrazole 1H-Pyrazole, 4-bromo-3-methyl- EINECS 237-456-7 4-Bromo-3-methyl-1H-pyrazole

Density	1.7±0.1 g/cm3
Boiling Point	259.9±20.0 °C at 760 mmHg
Melting Point	77-79°C
Molecular Formula	C₄H₅BrN₂
Molecular Weight	161.000
Flash Point	111.0±21.8 °C
Exact Mass	159.963608
PSA	28.68000
LogP	1.90
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.584

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S37/39-S26
RIDADR	NONH for all modes of transport
HS Code	2933199090

1453-58-3

~49%

13808-64-5

Literature: Pelleter, Jacques; Renaud, Fabrice Organic Process Research and Development, 2009 , vol. 13, # 4 p. 698 - 705

130874-31-6

~80%

13808-64-5

Literature: Heinisch, Gottfried; Holzer, Wolfgang; Pock, Sabine Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 7 p. 1829 - 1834

Precursor 1
1453-58-3
DownStream 7
84547-84-2 5775-82-6 5775-86-0 5334-39-4
1021919-24-3 13745-17-0 882689-55-6

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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