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3,4-Dimethylthiophene

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Origin: China

Cas No: 632-15-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 632-15-5 Formula: C6H8S Molecular Weight: 112.19300

Basic Info

Chemical Name	3,4-Dimethylthiophene
Synonyms	Thiophene, 3,4-dimethyl-; DiMethylthiophene (Me2Thio); 3,4-dimethyl-thiophene;
CAS No.	632-15-5
Molecular Formula	C6H8S
Molecular Weight	112.19300
PSA	28.24000
LogP	2.36490

Properties

Density	1.006 g/cm3
Boiling Point	146.5ºC at 760 mmHg
Melting Point	50-54ºC
Flash Point	26.7ºC
Refractive Index	1.527

Safety Info

Safety Statements	S26; S36/37
HS Code	2934999090
Risk Statements	R22; R36; R43
Hazard Codes	Xn

Synthesis Route

Spiro[thioxanthen-9',2-(3,6-dihydro-4,5-dimethyl-2H-thiopyran)]→3,4-Dimethylthiophene+9H-thioxanthene
Spiro[thioxanthen-9',2-(3,6-dihydro-4,5-dimethyl-2H-thiopyran)]→3,4-Dimethylthiophene+9H-thioxanthene
Spiro[xanthen-9',2-(3,6-dihydro-4,5-dimethyl-2H-thiopyran)]→3,4-Dimethylthiophene+9H-xanthene

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	BPX-5	-	890.	temperature ramp
Capillary	BP-5	-	887.	temperature ramp
Capillary	Ultra-1	-	883.5	temperature ramp
Capillary	HP-1	-	885.	temperature ramp
Capillary	HP-1	-	898.	temperature ramp