Dimethyl 2,2-dimethyl-malonate intermediate

Synonyms

Dimethylmalonic acid;
Dimethyl propanedioic acid;
2,2-Dimethylmalonic Acid;
2,2-Dimethylpropanedioic acid

CAS No.

595-46-0

Appearance

White crystal powder

Assay

98% min

Water

NMT 0.5%

Assay

NLT 98%

Description

Dimethylmalonicacid M 132.1, m 192-193。pK 251 3.03, pK 252 5.73. crystallise the acid from *bezene/pet ether. It sublimes in a vacuum with slight decomposition.

Accidental Release Measures

Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

Packing

1kg/bag, 5kg/bag, 25kgs /drum or according the customers` requirement

Shipping

Fedex, DHL, air shipment for small quantities shipment.
EXW, FOB Chinese sea port, CIF, CFR for large goods shipment.
You can choose the one which is the most convenient or cost effective for you.