2-Butynoic acid

Modify Date: 2024-01-02 15:11:18

2-Butynoic acid structure	Common Name	2-Butynoic acid
	CAS Number	590-93-2	Molecular Weight	84.073
	Density	1.2±0.1 g/cm3	Boiling Point	203.0±9.0 °C at 760 mmHg
	Molecular Formula	C₄H₄O₂	Melting Point	78-80 °C(lit.)
	MSDS	Chinese USA	Flash Point	90.9±15.2 °C
	Symbol	GHS05	Signal Word	Danger

Name	2-Butynoic acid
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	203.0±9.0 °C at 760 mmHg
Melting Point	78-80 °C(lit.)
Molecular Formula	C₄H₄O₂
Molecular Weight	84.073
Flash Point	90.9±15.2 °C
Exact Mass	84.021126
PSA	37.30000
LogP	0.85
Vapour Pressure	0.1±0.8 mmHg at 25°C
Index of Refraction	1.468
Storage condition	2-8°C

2-Butynoic acid MSDS(Chinese)

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	C:Corrosive;
Risk Phrases	R20/21/22;R34
Safety Phrases	S26-S27-S36/37/39-S45
RIDADR	UN 3261 8/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	8
HS Code	2916190090

Precursor 9
CAS#:764-01-2 2-Butyn-1-ol CAS#:725339-89-9 1-trifluorometh... CAS#:124-38-9 Carbon dioxide CAS#:74-99-7 Propyne
CAS#:59110-16-6 2,3-dichloro-cr... CAS#:10486-71-2 sodium,prop-1-yne CAS#:141-97-9 Ethyl acetoacetate CAS#:33549-66-5 4,4-dibromo-5-m...
CAS#:24557-16-2 (Z)-2,3-Dibromo...
DownStream 10
CAS#:600-30-6 2,3-dibromobuty... CAS#:54698-60-1 1-BENZYL-5-METH... CAS#:148680-95-9 (6-chloro-2-met... CAS#:4344-87-0 3-Methyl-3-pyra...
CAS#:4341-76-8 Ethyl 2-butynoate CAS#:3724-65-0 Crotonic acid CAS#:503-64-0 isocrotonic acid CAS#:20320-20-1 1H-1,2,3-Triazo...
CAS#:67-64-1 Acetone CAS#:108-67-8 Mesitylene

HS Code	2916190090
Summary	2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

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2-Butynoic acid

MFCD00004363

EINECS 209-695-7

But-2-ynoic acid