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DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE

DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE Structure
  • ₹12567.83
  • Product name: DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE
  • CAS: 13031-04-4
  • MF: C6H8O3
  • MW: 128.13
  • EINECS:235-891-7
  • MDL Number:MFCD00012331
  • Synonyms:dihydro-4,4-dimethylfuran-2,3-dione;DIHYDRO-4,4-DIMETHYL-2,3-FURANDIONE;keto-pantoyllactone;4,4-Dimethyl-4,5-dihydro-2,3-furandione;4,4-Dimethyl-4,5-dihydrofuran-2,3-dione;4,4-Dimethyloxolane-2,3-dione;4,4-Dimethyltetrahydrofuran-2,3-dione;Ketopantolactone
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Brand

  • Sigma-Aldrich(India)

Package

  • 5G
  • ManufacturerSigma-Aldrich(India)
  • Product number305847
  • Product descriptionDihydro-4,4-dimethyl-2,3-furandione 97%
  • Packaging5G
  • Price₹12567.83
  • Updated2022-06-14
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich(India) 305847 Dihydro-4,4-dimethyl-2,3-furandione 97% 5G ₹12567.83 2022-06-14 Buy

Properties

Melting point :67-69 °C (lit.)
Boiling point :125-126℃ (15 Torr)
Density :1.152±0.06 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :dichloromethane: soluble25mg/mL, clear, colorless to yellow
form :Solid
color :Pale Beige

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.

Description

An asymmetric hydrogenation gives D-(-)-pantoyl lactone, which is a key intermediate in the synthesis of pantothenic acid.

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