5-Methyl-1-phenylpyrazole-4-carboxylic Acid

Modify Date: 2025-08-22 18:03:50

5-Methyl-1-phenylpyrazole-4-carboxylic Acid structure	Common Name	5-Methyl-1-phenylpyrazole-4-carboxylic Acid
	CAS Number	91138-00-0	Molecular Weight	202.20900
	Density	1.24 g/cm3	Boiling Point	382.9ºC at 760 mmHg
	Molecular Formula	C₁₁H₁₀N₂O₂	Melting Point	166-170 °C(lit.)
	MSDS	Chinese USA	Flash Point	185.4ºC
	Symbol	GHS07	Signal Word	Warning

Name	5-methyl-1-phenyl-1h-pyrazole-4-carboxylic acid
Synonym	More Synonyms

Density	1.24 g/cm3
Boiling Point	382.9ºC at 760 mmHg
Melting Point	166-170 °C(lit.)
Molecular Formula	C₁₁H₁₀N₂O₂
Molecular Weight	202.20900
Flash Point	185.4ºC
Exact Mass	202.07400
PSA	55.12000
LogP	1.87890
Index of Refraction	1.617
InChIKey	USSMIQWDLWJQDQ-UHFFFAOYSA-N
SMILES	Cc1c(C(=O)O)cnn1-c1ccccc1

MSDS(Chinese)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933199090

ETHYL 5-METHYL-...

CAS#:89193-16-8

~92%

5-Methyl-1-phen...

CAS#:91138-00-0

Literature: Menozzi; Mosti; Schenone Journal of Heterocyclic Chemistry, 1987 , vol. 24, # 6 p. 1669 - 1675

2-Dimethylamino...

CAS#:134653-70-6

5-Methyl-1-phen...

CAS#:91138-00-0

Literature: Journal of Heterocyclic Chemistry, , vol. 24, # 6 p. 1669 - 1675

3-Buten-2-one,4...

CAS#:50421-80-2

Phenylhydrazine

CAS#:100-63-0

5-Methyl-1-phen...

CAS#:91138-00-0

3-METHYL-1-PHEN...

CAS#:77169-11-0

Literature: Gazzetta Chimica Italiana, , vol. 23 I, p. 313,315 Gazzetta Chimica Italiana, , vol. 28 I, p. 388

Precursor 4
CAS#:89193-16-8 ETHYL 5-METHYL-... CAS#:134653-70-6 2-Dimethylamino... CAS#:50421-80-2 3-Buten-2-one,4... CAS#:100-63-0 Phenylhydrazine
DownStream 1
CAS#:6831-91-0 5-METHYL-1-PHEN...

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%

MFCD00067831

5-methyl-1-phenylpyrazole-4-carboxylic acid

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