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2,5-Dihydrothiophene

Product Name
2,5-Dihydrothiophene
CAS No.
1708-32-3
Chemical Name
2,5-Dihydrothiophene
Synonyms
2,5-Dihydrothiophene;Thiophene, 2,5-dihydro-
CBNumber
CB72153493
Molecular Formula
C4H6S
Formula Weight
86.16
MOL File
1708-32-3.mol
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2,5-Dihydrothiophene Property

Melting point:
-49.3°C
Boiling point:
122.4°C
Density 
0.972 (estimate)
refractive index 
1.4800 (estimate)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H302Harmful if swallowed

H312Harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P322Specific measures (see …on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P363Wash contaminated clothing before reuse.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

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2,5-Dihydrothiophene Chemical Properties,Usage,Production

Uses

2,5-Dihydrothiophene is mainly used in organic synthesis and pharmaceutical intermediates.

Preparation

2,5-Dihydrothiophene can be obtained in reasonable yield by reaction of cis-1,4-dichloro-2-butene with anhydrous sodium sulfide in a mixture of methanol and dimethyl sulfoxide.

2,5-Dihydrothiophene Preparation Products And Raw materials

Raw materials

Preparation Products

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2,5-Dihydrothiophene Suppliers

Shanghai CoachChem Co., Ltd.
Tel
+86-21-67299971;+86-21-67290723 18117322963
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China
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Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939
Fax
021-50706099
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China
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Amadis Chemical Company Limited
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571-89925085
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Aishilun biotechnology (Shanghai) co., LTD
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021-50676523 18019098996
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sale04@alfachem.cn
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ANHUI WITOP BIOTECH CO., LTD
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Shanghai UCHEM Inc.
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Hefei TNJ Chemical Industry Co.,Ltd.
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Win-Win chemical CO., Limited
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Aikon International Limited
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hywu@aikonchem.com
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1708-32-3, 2,5-DihydrothiopheneRelated Search:


  • 2,5-Dihydrothiophene
  • Thiophene, 2,5-dihydro-
  • 1708-32-3