4,4-Dimethyldihydro-2,3-furandione

Modify Date: 2024-01-04 01:40:16

4,4-Dimethyldihydro-2,3-furandione Structure
4,4-Dimethyldihydro-2,3-furandione structure
Common Name 4,4-Dimethyldihydro-2,3-furandione
CAS Number 13031-04-4 Molecular Weight 128.126
Density 1.2±0.1 g/cm3 Boiling Point 260.5±7.0 °C at 760 mmHg
Molecular Formula C6H8O3 Melting Point 67-69ºC(lit.)
MSDS Chinese USA Flash Point 122.8±15.4 °C

 Use of 4,4-Dimethyldihydro-2,3-furandione


Keto-pantoyllactone is assayed by the spectrophotometric measurement of ketopantoyl lactone-dependent oxidation of nicotinamide adenine dinucleotide phosphate.

 Names

Name 2-dehydropantolactone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 260.5±7.0 °C at 760 mmHg
Melting Point 67-69ºC(lit.)
Molecular Formula C6H8O3
Molecular Weight 128.126
Flash Point 122.8±15.4 °C
Exact Mass 128.047348
PSA 43.37000
LogP -0.27
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.446

 MSDS


Section1. 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



Section2. 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

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Formula: C6H8O3
Molecular Weight: 128,13 g/mol

Section4. 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

Section5. 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

Section6. 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.

Section7. 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

Section8. 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).

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingMelting point/range: 67 - 69 °C - lit.
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evaporation rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Autoignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

Section10. 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

Section11. 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
InhalationMay be harmful if inhaled. May cause respiratory tract irritation.
IngestionMay be harmful if swallowed.
SkinMay be harmful if absorbed through skin. May cause skin irritation.
EyesMay cause eye irritation.
Additional Information
RTECS: Not available

Section12. 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

Section13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

Section14. 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: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2932190090

 Synthetic Route

~99%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Matsumoto, Masakatsu; Ito, Satoru Synthetic Communications, 1984 , vol. 14, # 7 p. 697 - 700

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Kuhn; Wieland Chemische Berichte, 1942 , vol. 75, p. 121 Full Text Show Details Lipton; Strong Journal of the American Chemical Society, 1949 , vol. 71, p. 2364,2366

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Fizet Helvetica Chimica Acta, 1982 , vol. 65, # 7 p. 2024 - 2028

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Detail
Literature: Shimizu, Sakayu; Yamada, Hideaki; Hata, Hiroyuki; Morishita, Tsuyoshi; Akutsu, Seiichi; Kawamura, Masao Agricultural and Biological Chemistry, 1987 , vol. 51, # 1 p. 289 - 290

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Hata; Morishita; Akutsu; Kawamura Synthesis, 1991 , # 4 p. 289 - 291

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Kataoka, Michihiko; Shimizu, Sakayu; Yamada, Hideaki Agricultural and Biological Chemistry, 1990 , vol. 54, # 1 p. 177 - 182

~%

4,4-Dimethyldihydro-2,3-furandione Structure

4,4-Dimethyldih...

CAS#:13031-04-4

Literature: Lipton; Strong Journal of the American Chemical Society, 1949 , vol. 71, p. 2364,2366

 Customs

HS Code 2932190090
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%

 Articles8

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Bioorg. Med. Chem. 2(6) , 433-7, (1994)

Addition of beta-cyclodextrin improves enantioselectivity dramatically in the reduction of ketopantolactone mediated by baker's yeast. It has been found that the selectivity increases with the decreas...

Gene cloning and overexpression of two conjugated polyketone reductases, novel aldo-keto reductase family enzymes, of Candida parapsilosis.

Appl. Microbiol. Biotechnol. 64(3) , 359-66, (2004)

The genes encoding two conjugated polyketone reductases (CPR-C1, CPR-C2) of Candida parapsilosis IFO 0708 were cloned and sequenced. The genes encoded a total of 304 and 307 amino acid residues for CP...

LplR, a repressor belonging to the TetR family, regulates expression of the L-pantoyl lactone dehydrogenase gene in Rhodococcus erythropolis.

Appl. Environ. Microbiol. 78(22) , 7923-30, (2012)

The L-pantoyl lactone (L-PL) dehydrogenase (LPLDH) gene (lpldh) has been cloned from Rhodococcus erythropolis AKU2103, and addition of 1,2-propanediol (1,2-PD) was shown to be required for lpldh expre...

 Synonyms

4,4-dimethyloxolane-2,3-dione
ketopantolactone
4,4-Dimethyldihydro-2,3-furandione
2,3-Furandione,dihydro-4,4-dimethyl
MFCD00012331
4,4-dimethyl-2,3(5H)-furandione
Keto-pantoyllactone
dihydro-4,4-dimethylfuran-2,3-dione
4,4-dimethyltetrahydrofuran-2,3-dione
Dihydro-4,4-dimethyl-2,3-Furandione
4,4-Dimethyldihydrofuran-2,3-dione
2-oxopantoyl lactone
2,3-Furandione, dihydro-4,4-dimethyl-
EINECS 235-891-7
2-dehydropantoyl lactone