(2E)-2-[hydroxy(methoxy)methylidene]thiophen-3(2H)-one

Name	Methyl 3-hydroxythiophene-2-carboxylate
Synonyms	3-hydro-2-thiophenca METHYL-3-HYDROXYTHIOPHENE CARBOXYLATE 3-Hydroxy-2-(methoxycarbonyl)thiophene Methyl 3-hydroxythiophene-2-carboxylate METHYL 3-HYDROXY-2-THIOPHENECARBOXYLATE METHYL 3-HYDROXYTHIOPHENE-2-CARBOXYLATE Methyl-3-hydroxy-2-thiophene carboxylate 3-Hydroxy-2-thiophenecarboxylic acid Methyl ester 3-HYDROXYTHIOPHENE-2-CARBOXYLIC ACID METHYL ESTER 2-[hydroxy(methoxy)methylidene]thiophen-3(2H)-one (2E)-2-[hydroxy(methoxy)methylidene]thiophen-3(2H)-one
CAS	5118-06-9
EINECS	692-439-5
InChI	InChI=1/C6H6O3S/c1-9-6(8)5-4(7)2-3-10-5/h2-3,7H,1H3

Molecular Formula	C6H6O3S
Molar Mass	158.18
Density	1.372±0.06 g/cm3(Predicted)
Melting Point	38-43°C(lit.)
Boling Point	107-109°C 13mm
Flash Point	>230°F
Water Solubility	Slightly soluble in water.
Vapor Presure	0.039mmHg at 25°C
Appearance	powder to crystal
Color	White to Orange to Green
pKa	9.47±0.10(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	1.579
MDL	MFCD00055642
Use	This product is for scientific research only and shall not be used for other purposes.

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
HS Code	29309090
Hazard Class	IRRITANT

Use	Methyl 3-hydroxy-2-thiophene formate, as a reactant, reacts with thiophene to synthesize nitro products.

Last Update：2024-04-10 22:29:15

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