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5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione Structure
  • ₹0
  • Product name: 5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
  • CAS: 85920-63-4
  • MF: C8H10O5
  • MW: 186.16
  • EINECS:
  • MDL Number:MFCD18072503
  • Synonyms:5-(1-Hydroxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione;Acetyl Meldrum's acid;idene)-2,2-dimethyL;1,3-Dioxane-4,6-dione, 5-(1-hydroxyethylidene)-2,2-dimethyl-;5-(1-hydroxyethylidene) acetyl meldrum;Acetyl Michaelis Acid;Sitagliptin Impurity 155;Acetyl Michaelic Acid
Properties Safety Information Description
Manufacturer Product number Product description Packaging Price Updated Buy

Properties

Melting point :83-84 °C
Boiling point :385.9±42.0 °C(Predicted)
Density :1.303
storage temp. :2-8°C
pka :4.50±1.00(Predicted)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
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
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning GHS hazard pictograms P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Acetyl Meldrum''s Acid is used in preparation of Bicyclic β-Lactams/Oxazinones via Cycloaddition and metathesis starting from Acyl/Carbamoyl-dimethyl-dioxa-diones.

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Suppliers and manufacturers

SCINTELLI Ergam Life Sciences Pvt. Ltd. A.J Chemicals Vignasai Laboratories Private Limited
Shanghai Daken Advanced Materials Co.,Ltd
Henan Tianfu Chemical Co.,Ltd.
ATK CHEMICAL COMPANY LIMITED
Jinan Carbotang Biotech Co.,Ltd.
Neostar United (Changzhou) Industrial Co., Ltd.
Career Henan Chemica Co