5-Chloro-1,3-dimethyl pyrazole-4-aldehyde

Modify Date: 2025-08-21 12:33:29

5-Chloro-1,3-dimethyl pyrazole-4-aldehyde Structure
5-Chloro-1,3-dimethyl pyrazole-4-aldehyde structure
Common Name 5-Chloro-1,3-dimethyl pyrazole-4-aldehyde
CAS Number 27006-76-4 Molecular Weight 158.586
Density 1.3±0.1 g/cm3 Boiling Point 255.7±35.0 °C at 760 mmHg
Molecular Formula C6H7ClN2O Melting Point 78-79°C
MSDS USA Flash Point 108.4±25.9 °C

 Names

Name 5-chloro-1,3-dimethylpyrazole-4-carbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 255.7±35.0 °C at 760 mmHg
Melting Point 78-79°C
Molecular Formula C6H7ClN2O
Molecular Weight 158.586
Flash Point 108.4±25.9 °C
Exact Mass 158.024689
PSA 34.89000
LogP 1.46
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.572

 Safety Information

Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/37/38
Safety Phrases S26-S37/39-S36/37/39-S22
HS Code 2933199090

 Synthetic Route

~%

5-Chloro-1,3-dimethyl pyrazole-4-aldehyde Structure

5-Chloro-1,3-di...

CAS#:27006-76-4

Literature: SUMITOMO CHEMICAL COMPANY, LIMITED Patent: WO2005/75433 A1, 2005 ; Location in patent: Page/Page column 178-179 ;

~65%

5-Chloro-1,3-dimethyl pyrazole-4-aldehyde Structure

5-Chloro-1,3-di...

CAS#:27006-76-4

Literature: El-Baih, Fatma E.M.; Al-Hazimi, Hassan M. Asian Journal of Chemistry, 2011 , vol. 23, # 3 p. 1309 - 1313

 Customs

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%

 Synonyms

5-chloro-1,3-dimethyl-1h-pyrazole-4-aldehyde
5-chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde
5-chloro-1,3-dimethyl-1H-pyrazol-4-carbaldehyde oxime
1H-Pyrazole-4-carboxaldehyde, 5-chloro-1,3-dimethyl-
5-Chloro-4-formyl-1,3-dimethylpyrazole
5-Chloro-1,3-dimethylpyrazole-4-carboxaldehyde
MFCD00052538
5-Chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde
5-Chloro-1,3-dimethyl pyrazole-4-aldehyde
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