5-甲酰基-2-甲基-3-糠酸甲酯

5-甲酰基-2-甲基-3-糠酸甲酯 基本信息
CAS号 81661-26-9 分子式 C8H8O4
分子量 168.14700 精确质量  168.04200
PSA  56.51000 LogP  1.18710

基本信息 展开↓

CAS号:
81661-26-9
3D弹球模型:
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分子式:
C8H8O4
分子量:
168.14700
中文名称:
5-甲酰基-2-甲基-3-糠酸甲酯
英文名称:
methyl 5-formyl-2-methylfuran-3-carboxylate
中文别名:
5-甲酰基-2-甲基-3-糠酸甲酯
英文别名:
methyl 5-formyl-2-methylfuran-3-carboxylate;
methyl 5-formyl-2-methyl-3-furancarboxylate;
4-methoxycarbonyl-5-methyl-2-furaldehyde;
methyl-2-methyl-5-formyl-3-furoate;
5-formyl-2-methylfuran-3-carboxylic acid methyl ester;
methyl 5-formyl-2-methyl-3-furoate
精确分子量/精确质量:
168.04200
极性分子表面积/PSA:
56.51000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
InChI:
The Key: WINMHOHYPKKTEM-UHFFFAOYSA-N

物化性质展开↓

密度:
1.217g/cm3
熔点:
83ºC
沸点:
275.2ºC at 760 mmHg
闪点:
120.2ºC
折射率:
1.518

安全信息展开↓

海关代码:
2932190090
危险类别码:
36/37/38
安全说明:
S24/25

合成路线查看所有的合成路线

  • 6141-58-8

    2-甲基-3-糠酸甲酯

  • +

  • 68-12-2

    N,N-二甲基甲酰胺

  • ~88%

  • 81661-26-9

    5-甲酰基-2-甲基-3-糠酸甲酯

  • 15341-69-2

    5-羟基甲基-2-甲基呋喃-3-羧酸甲酯

  • ~71%

  • 81661-26-9

    5-甲酰基-2-甲基-3-糠酸甲酯

  • 28921-35-9

    2-甲基-3-呋喃羧酸乙酯

  • +

  • 68-12-2

    N,N-二甲基甲酰胺

  • ~45%

  • 81661-26-9

    5-甲酰基-2-甲基-3-糠酸甲酯

MSDS 展开↓

Name: Methyl 5-formyl-2-methyl-3-furoate 97% Material Safety Data Sheet
Synonym: 5-Formyl-2-methyl-furan-3-carboxylic acid methyl este
CAS: 81661-26-9
Section 1 - Chemical Product   MSDS Name:Methyl 5-formyl-2-methyl-3-furoate 97% Material Safety Data Sheet
Synonym:5-Formyl-2-methyl-furan-3-carboxylic acid methyl este

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
81661-26-9 Methyl 5-formyl-2-methyl-3-furoate 97% unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Light sensitive.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
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.
Notes to Physician:
Treat symptomatically and supportively.

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. Do not store in direct sunlight. Store in a tightly closed container. Store under nitrogen.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 81661-26-9: 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: yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 82.5 - 83.5 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: C8H8O4
Molecular Weight: 168.15

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials, light.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 81661-26-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Methyl 5-formyl-2-methyl-3-furoate - 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
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 81661-26-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 81661-26-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 81661-26-9 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

中国海关编码:2932190090

概述:
2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 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:
2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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