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2,2-Dimethyl-1,3-dioxane-4,6-dione

2,2-Dimethyl-1,3-dioxane-4,6-dione
2,2-Dimethyl-1,3-dioxane-4,6-dione structure
CAS No.
2033-24-1
Chemical Name:
2,2-Dimethyl-1,3-dioxane-4,6-dione
Synonyms
Mie acid;tá·()òì±¥;NSC 71902;NSC 688343;Meldrumacid;AKOS B029723;MeldruM's ac;MELDRUMS ACID;Meldrumic acid;MELDRUM'S ACID
CBNumber:
CB8411057
Molecular Formula:
C6H8O4
Formula Weight:
144.13
MOL File:
2033-24-1.mol

2,2-Dimethyl-1,3-dioxane-4,6-dione Properties

Melting point:
92-96 °C(lit.)
Boiling point:
182.71°C (rough estimate)
Density 
1.1311 (rough estimate)
refractive index 
1.4434 (estimate)
storage temp. 
0-6°C
solubility 
dioxane: soluble5%, clear to very slightly hazy, colorless to faintly yellow
pka
5.1(at 25℃)
form 
Crystals or Powder
color 
Brownish-white to beige-brown
Water Solubility 
2.5 g/100 mL (20 ºC)
Merck 
14,5817
BRN 
117310
InChIKey
GXHFUVWIGNLZSC-UHFFFAOYSA-N
CAS DataBase Reference
2033-24-1(CAS DataBase Reference)
NIST Chemistry Reference
1,3-Dioxane-4,6-dione, 2,2-dimethyl-(2033-24-1)
EPA Substance Registry System
1,3-Dioxane-4,6- dione, 2,2-dimethyl-(2033-24-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi,T
Risk Statements  36/37/38-45
Safety Statements  37/39-24/25-53-45-36-26
WGK Germany  3
RTECS  JH0800000
10-21
TSCA  Yes
HazardClass  IRRITANT
HS Code  29322090
Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

2,2-Dimethyl-1,3-dioxane-4,6-dione price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 210145 2,2-Dimethyl-1,3-dioxane-4,6-dione 98% 2033-24-1 25g $41.8 2018-11-13 Buy
Sigma-Aldrich 210145 2,2-Dimethyl-1,3-dioxane-4,6-dione 98% 2033-24-1 10g $21.1 2018-11-13 Buy
TCI Chemical M0799 Meldrum's Acid (=2,2-Dimethyl-1,3-dioxane-4,6-dione) >98.0%(T) 2033-24-1 25g $37 2018-11-22 Buy
TCI Chemical M0799 Meldrum's Acid (=2,2-Dimethyl-1,3-dioxane-4,6-dione) >98.0%(T) 2033-24-1 100g $92 2018-11-22 Buy
Alfa Aesar A15603 Isopropylidene malonate, 98% 2033-24-1 100g $101 2018-11-13 Buy

2,2-Dimethyl-1,3-dioxane-4,6-dione Chemical Properties,Uses,Production

Chemical Properties

Crystals, white to beige

Uses

Meldrum`s acid is an intermediate for different organic syntheses. For typical reactions please consult the Meldrum`s acid brochure, which you can order. Contact us. Product Data Sheet

Uses

An antimicrobial agent

Uses

In organic synthesis as a substitute for acyclic malonic esters and generally as a C3O2 synthon.

Purification Methods

Crystallise the dione from Me2CO/H2O. It is a synthon for the C3 malonic acid moiety. [Arnette et al. J Am Chem Soc 106 6759 1984, Bihlmayer et al. Monatsh Chem 98 564 1967, Review: McNab Chem Soc, Rev 7 345 1978, Chan & Huang Synthesis 452 1982, Beilstein 19/5 V 8.]

2,2-Dimethyl-1,3-dioxane-4,6-dione Preparation Products And Raw materials

Raw materials

Preparation Products


2,2-Dimethyl-1,3-dioxane-4,6-dione Suppliers

Global( 380)Suppliers
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Capot Chemical Co.,Ltd.
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View Lastest Price from 2,2-Dimethyl-1,3-dioxane-4,6-dione manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-04-05 2,2-Dimethyl-1,3-dioxane-4,6-dione In stock Factory
2033-24-1
US $1.60 / kg 1kg 99% High quality Factory bulk produciton in stock Chemwill Asia Co.,Ltd.
2018-12-18 2,2-Dimethyl-1,3-dioxane-4,6-dione
2033-24-1
US $8.00 / kg 1kg 99% 10TON career henan chemical co
2019-04-23 2,2-Dimethyl-1,3-dioxane-4,6-dione
2033-24-1
US $1.00 / g 1g 99% 200 Ton/Tons per Month Cangzhou Wanyou New Material Technology Co.,Ltd

2,2-Dimethyl-1,3-dioxane-4,6-dione Spectrum


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