二氢-4,4-二甲基-2,3-呋喃二酮

二氢-4,4-二甲基-2,3-呋喃二酮 基本信息
CAS号 13031-04-4 分子式 C6H8O3
分子量 128.12600 精确质量  128.04700
PSA  43.37000 LogP  0.13850

基本信息 展开↓

CAS号:
13031-04-4
3D弹球模型:
立即前往扯扯看
分子式:
C6H8O3
分子量:
128.12600
中文名称:
二氢-4,4-二甲基-2,3-呋喃二酮
英文名称:
2-dehydropantolactone
中文别名:
二氢-4,4-二甲基-2,3-呋喃二酮;
去氢泛酸内酯;
泛醇杂质D
英文别名:
2-dehydropantolactone;
Keto-pantoyllactone;
4,4-dimethyltetrahydrofuran-2,3-dione;
2-dehydropantoyl lactone;
4,4-dimethyl-2,3(5H)-furandione;
4,4-Dimethyldihydrofuran-2,3-dione;
2-oxopantoyl lactone;
2,3-Furandione,dihydro-4,4-dimethyl;
Dihydro-4,4-dimethyl-2,3-Furandione;
4,4-Dimethyldihydro-2,3-furandione;
dihydro-4,4-dimethylfuran-2,3-dione;
4,4-dimethyloxolane-2,3-dione;
ketopantolactone
精确分子量/精确质量:
128.04700
极性分子表面积/PSA:
43.37000
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。
贝尔斯坦号/MDL:
MFCD00012331
EINECS:
235-891-7
PubChem:
24858459
InChI:
InChI=1/C6H8O3/c1-6(2)3-9-5(8)4(6)7/h3H2,1-2H3

物化性质展开↓

密度:
1.152g/cm3
熔点:
67-69ºC(lit.)
沸点:
260.5ºC at 760mmHg
闪点:
122.8ºC
折射率:
1.445
蒸汽压:
0.0122mmHg at 25°C
其它信息:

1.性状:不可用

2.密度(g/mL,25/4): 不可用

3.相对蒸汽密度(g/mL,空气=1)不可用

4.熔点(ºC):67-69

5.沸点(ºC,常压):不可用

6.沸点(ºC,5.2kPa): 不可用

7.折射率: 不可用

8.闪点(ºC): 不可用

9.比旋光度(º): 不可用

10.自燃点或引燃温度(ºC): 不可用

11.蒸气压(kPa,25ºC): 不可用

12.饱和蒸气压(kPa,60ºC): 不可用

13.燃烧热(KJ/mol):不可用

14.临界温度(ºC): 不可用

15.临界压力(KPa): 不可用

16.油水(辛醇/水)分配系数的对数值:不可用 

17.爆炸上限(%,V/V):不可用

18.爆炸下限(%,V/V): 不可用

19.溶解性:不可用

安全信息展开↓

海关代码:
2932190090
WGK_Germany:
3
德国有关水污染物质的分类清单

合成路线查看所有的合成路线

  • 79-50-5

    DL-泛酰内酯

  • ~99%

  • 13031-04-4

    二氢-4,4-二甲基-2,3-呋喃二酮

  • 546-67-8

    乙酸铅(IV)

  • +

  • 79-50-5

    DL-泛酰内酯

  • +

  • 71-43-2

  • 13031-04-4

    二氢-4,4-二甲基-2,3-呋喃二酮

  • 470-30-4

    4-hydroxy-3,3-dimethyl-2-oxobutanoic acid

  • 13031-04-4

    二氢-4,4-二甲基-2,3-呋喃二酮

  • +

  • 79-50-5

    DL-泛酰内酯

毒理性展开↓

毒理学数据:

急性毒性:不可用 。

生态数据:

1、其它有害作用:该物质对环境可能有危害,对水体应给予特别注意。

MSDS 展开↓


Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
  Product identifiers
    Product name        : Dihydro-4,4-dimethyl-2,3-furandione    
    CAS-No.        : 13031-04-4    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

Section 2. HAZARDS IDENTIFICATION
  Classification of the substance or mixture
    Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
    Not a hazardous substance or mixture according to EC-directives 67/548/EEC or 1999/45/EC.
  Label elements
    The product does not need to be labelled in accordance with EC directives or respective national laws.
  Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substances
    Formula        : C6H8O3    
    Molecular Weight        : 128,13 g/mol    

Section 4. FIRST AID MEASURES
  Description of first aid measures
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration.
  In case of skin contact
    Wash off with soap and plenty of water.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water.
  Most important symptoms and effects, both acute and delayed
  Indication of any immediate medical attention and special treatment needed
    no data available

Section 5. FIREFIGHTING MEASURES
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Carbon oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions, protective equipment and emergency procedures
    Avoid dust formation. Avoid breathing vapors, mist or gas.
  Environmental precautions
    Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Sweep up and shovel. Keep in suitable, closed containers for disposal.
  Reference to other sections
    For disposal see section 13.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Provide appropriate exhaust ventilation at places where dust is formed.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
    Hygroscopic.
  Specific end uses
    no data available

Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    General industrial hygiene practice.
  Personal protective equipment
  Eye/face protection
    Use equipment for eye protection tested and approved under appropriate government standards
    such as NIOSH (US) or EN 166(EU).
  Skin protection
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
  Body Protection
    Choose body protection in relation to its type, to the concentration and amount of dangerous
    substances, and to the specific work-place., The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
    use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
    approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Information on basic physical and chemical properties
    a) Appearance        Form: solid    
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        Melting point/range: 67 - 69 °C - lit.    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        no data available    
    h) Evaporation rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Autoignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

Section 10. STABILITY AND REACTIVITY
  Reactivity
    no data available
  Chemical stability
    no data available
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    Strong oxidizing agents
  Hazardous decomposition products
    Other decomposition products - no data available

Section 11. TOXICOLOGICAL INFORMATION
  Information on toxicological effects
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitization
    no data available
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation        May be harmful if inhaled. May cause respiratory tract irritation.    
  Ingestion        May be harmful if swallowed.    
  Skin        May be harmful if absorbed through skin. May cause skin irritation.    
  Eyes        May cause eye irritation.    
  Additional Information
    RTECS: Not available

Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    no data available
  Other adverse effects
    no data available

Section 13. DISPOSAL CONSIDERATIONS
  Waste treatment methods
  Product
    Offer surplus and non-recyclable solutions to a licensed disposal company.
  Contaminated packaging
    Dispose of as unused product.

Section 14. TRANSPORT INFORMATION
  UN number
    ADR/RID: -        IMDG: -        IATA: -    
  UN proper shipping name
    ADR/RID: Not dangerous goods
    IMDG: Not dangerous goods
    IATA:        Not dangerous goods    
  Transport hazard class(es)
    ADR/RID: -        IMDG: -        IATA: -    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


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%

分子结构与计算化学数据展开↓

分子结构数据


1、摩尔折射率:29.63

2、摩尔体积(cm3/mol):111.1

3、等张比容(90.2K):267.6

4、表面张力(dyne/cm):33.5

5、介电常数:无可用的

6、极化率(10-24cm3):11.74

7、单一同位素质量:128.047344 Da

8、标称质量:128 Da

9、平均质量:128.1259 Da

计算化学数据


1.疏水参数计算参考值(XlogP):0.6

2.氢键供体数量:0

3.氢键受体数量:3

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积43.4

7.重原子数量:9

8.表面电荷:0

9.复杂度:169

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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