3,5-Dichloro-2-pyrazinecarbaldehyde

Modify Date: 2025-08-25 21:49:22

3,5-Dichloro-2-pyrazinecarbaldehyde Structure
3,5-Dichloro-2-pyrazinecarbaldehyde structure
 Common Name 3,5-Dichloro-2-pyrazinecarbaldehyde
CAS Number 136866-27-8 Molecular Weight 176.988
Density 1.6±0.1 g/cm3 Boiling Point 240.8±35.0 °C at 760 mmHg
Molecular Formula C5H2Cl2N2O Melting Point N/A
MSDS N/A Flash Point 99.4±25.9 °C

 Names

Name 3,5-dichloropyrazine-2-carbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 240.8±35.0 °C at 760 mmHg
Molecular Formula C5H2Cl2N2O
Molecular Weight 176.988
Flash Point 99.4±25.9 °C
Exact Mass 175.954422
PSA 42.85000
LogP 1.77
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.617

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

2,6-Dichloropyrazine structure

2,6-Dichloropyrazine

CAS#:4774-14-5

Ethyl formate structure

Ethyl formate

CAS#:109-94-4

~55%

3,5-Dichloro-2-pyrazinecarbaldehyde Structure

3,5-Dichloro-2-...

CAS#:136866-27-8

Literature: PFIZER INC.; NINKOVIC, Sacha; BRAGANZA, John Frederick; COLLINS, Michael Raymond; KATH, John Charles; LI, Hui; RICHTER, Daniel Tyler Patent: WO2010/16005 A1, 2010 ; Location in patent: Page/Page column 111-112 ; WO 2010/016005 A1
2,2,6,6-Tetramethylpiperidine structure

2,2,6,6-Tetrame...

CAS#:768-66-1

2,6-Dichloropyrazine structure

2,6-Dichloropyrazine

CAS#:4774-14-5

Ethyl formate structure

Ethyl formate

CAS#:109-94-4

~%

3,5-Dichloro-2-pyrazinecarbaldehyde Structure

3,5-Dichloro-2-...

CAS#:136866-27-8

Literature: US2003/220348 A1, ; US 20030220348 A1

 Customs

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%

 Synonyms

3,5-Dichloropyrazine-2-carbaldehyde
2-Pyrazinecarboxaldehyde,3,5-dichloro
2,6-dichloropyrazine carboxaldehyde
3,5-Dichloropyrazine-2-carboxaldehyde
3,5-Dichloro-2-formylpyrazine
2-Pyrazinecarboxaldehyde, 3,5-dichloro-
3,5-Dichloro-2-pyrazinecarbaldehyde
3,5-dichloro-pyrazine-2-carbaldehyde
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