硫代特戊酸

硫代特戊酸 基本信息
CAS号 55561-02-9 分子式 C5H10OS
分子量 118.19700 精确质量  118.04500
PSA  55.87000 LogP  1.48890

基本信息 展开↓

CAS号:
55561-02-9
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分子式:
C5H10OS
分子量:
118.19700
中文名称:
硫代特戊酸
英文名称:
2,2-dimethylpropanethioic S-acid
中文别名:
硫代特戊酸;
三甲基硫代乙酸
英文别名:
2,2-dimethylpropanethioic S-acid;
thiolpivalic acid;
2-methyl-2-methylthiopropionic acid;
Thiopivalic acid;
thiolpivaloic acid;
S-thiopivalic acid;
tert-butyl thioacid;
Trimethylthioacetic S-acid;
EINECS 259-708-5;
Propanethioic acid,2,2-dimethyl
精确分子量/精确质量:
118.04500
极性分子表面积/PSA:
55.87000
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。
EINECS:
259-708-5
InChI:
InChI=1/C5H10OS/c1-5(2,3)4(6)7/h1-3H3,(H,6,7)

生产制备方法及用途展开↓

制备方法


有机中间体。

用途简介


物化性质展开↓

密度:
0.966 g/cm3
沸点:
126ºC at 760mmHg
闪点:
23.9ºC
折射率:
1.453

安全信息展开↓

包装等级:
II
风险类别:
8

合成路线查看所有的合成路线

  • 75-98-9

    三甲基乙酸

  • ~84%

  • 55561-02-9

    硫代特戊酸

  • 3282-30-2

    三甲基乙酰氯

  • +

  • 62-55-5

    硫代乙酰胺

  • ~72%

  • 55561-02-9

    硫代特戊酸

  • 3282-30-2

    三甲基乙酰氯

  • ~67%

  • 55561-02-9

    硫代特戊酸

MSDS 展开↓

Name: Thiopivalic acid 97% Material Safety Data Sheet
Synonym: Trimethylthiolacetic aci
CAS: 55561-02-9
Section 1 - Chemical Product   MSDS Name:Thiopivalic acid 97% Material Safety Data Sheet
Synonym:Trimethylthiolacetic aci

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
55561-02-9 Thiopivalic acid, 97% 259-708-5
Hazard Symbols: C
Risk Phrases: 10 35

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Flammable. Causes severe burns.Stench.
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns.
Skin:
May cause severe irritation and possible burns.
Ingestion:
Not available.
Inhalation:
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately.
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:
Not available.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

Section 7 - HANDLING and STORAGE
  Handling:
Not available.
Storage:
Flammables-area.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 55561-02-9: Personal Protective Equipment Eyes: Wear safety glasses and chemical goggles if splashing is possible.
Skin:
Wear appropriate protective gloves and clothing to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 125.0 - 127.0 deg C @ 760.00m
Freezing/Melting Point: 0 deg C
Autoignition Temperature: Not available.
Flash Point: 23 deg C ( 73.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .9300g/cm3
Molecular Formula: C5H10OS
Molecular Weight: 118.19

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Strong oxidizing agents - strong bases.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 55561-02-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Thiopivalic acid, 97% - 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: CORROSIVE LIQUID, FLAMMABLE, N.O.S.*
Hazard Class: 8 (3)
UN Number: 2920
Packing Group: II
IMO
Shipping Name: CORROSIVE LIQUID, FLAMMABLE, N.O.S.
Hazard Class: 8 (3)
UN Number: 2920
Packing Group: II
RID/ADR
Shipping Name: CORROSIVE LIQUID, FLAMMABLE, N.O.S.
Hazard Class: 8
UN Number: 2920
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 10 Flammable.
R 35 Causes severe burns.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 55561-02-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 55561-02-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 55561-02-9 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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