5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯

  • 基本信息
  • 物化性质
  • 安全信息
  • MSDS
  • 海关数据

5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 基本信息

中文名称:
5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 
中文别名:
5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 
英文名称:
Thieno[2,3-b]thiophene-2-carboxylicacid, 5-cyano-3,4-dimethyl-, ethyl ester
英文别名:
ethyl 2-cyano-3,4-dimethylthieno[2,3-b]thiophene-5-carboxylate;
HMS554D12;
ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate 
CAS No.:
175202-57-0
分 子 式:
C12H11NO2S2
分 子 量:
265.35
精确分子量:
265.02300
PSA:
106.57000
风险术语:
 Xn:Harmful;
分子结构式:
SDS:
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5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 物化性质

密度:
1.33g/cm3
熔点:
155ºC
沸点:
421.9ºC at 760mmHg
闪点:
209ºC
折射率:
1.625
蒸汽压:
2.51E-07mmHg at 25°C

5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 安全信息

海关代码:
2934999090
危险类别码:
R20/21/22
安全说明:
S36/37
危险标志:
Xn:Harmful;

5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 MSDS

Name: Ethyl 5-cyano-3 4-dimethylthieno[2 3-b]thiophene-2-carboxylate 97% Material Safety Data Sheet
Synonym:
CAS: 175202-57-0
Section 1 - Chemical Product   MSDS Name:Ethyl 5-cyano-3 4-dimethylthieno[2 3-b]thiophene-2-carboxylate 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
175202-57-0 Ethyl 5-cyano-3,4-dimethylthieno[2,3-b 97% unlisted
Hazard Symbols: XN
Risk Phrases: 20/21/22

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
Harmful if inhaled. May cause respiratory tract irritation.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
  Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 175202-57-0: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: tan
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 155 - 157 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C12H11NO2S2
Molecular Weight: 265

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents, reducing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 175202-57-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: NITRILES, SOLID, TOXIC, N.O.S.*
Hazard Class: 6.1
UN Number: 3276
Packing Group: III
IMO
Shipping Name: NITRILES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 3276
Packing Group: III
RID/ADR
Shipping Name: NITRILES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 3276
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
Safety Phrases:
S 36/37 Wear suitable protective clothing and
gloves.
WGK (Water Danger/Protection)
CAS# 175202-57-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 175202-57-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 175202-57-0 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

5-氰基-3,4-二甲基噻吩并[2,3-B]噻吩-2-羧酸乙酯 海关数据

中国海关编码:2934999090

概述:
2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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