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Dimethyl Dicarbonate, for Synthesis, 100ml

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Description
Catalogue Number 818758
Synonyms Dimethyl pyrocarbonate, Pyrocarbonic acid dimethyl ester
Description Dimethyl dicarbonate

Product Information
CAS number 4525-33-1
EC number 224-859-8
Hill Formula C₄H₆O₅
Chemical formula (CH₃OCO)₂O
Molar Mass 134.09 g/mol
HS Code 2920 90 10
Structure formula Image Structure formula Image
Quality Level MQ200

Applications
Application Dimethyl dicarbonate for synthesis. CAS 4525-33-1, chemical formula (CH₃OCO)₂O.

Physicochemical Information
Boiling point 172 °C (1013 hPa) decomposes
Density 1.25 g/cm3 (20 °C)
Explosion limit 3 - 29.9 %(V)
Flash point 85 °C
Ignition temperature 465 °C
Melting Point 15 - 17 °C
Vapor pressure 0.7 hPa (20 °C)
Solubility 35 g/l (decomposition)

Toxicological Information
LD 50 oral LD50 Rat 335 mg/kg
LD 50 dermal LD50 Rat > 1250 mg/kg

Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
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. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
RTECS HT0362500
Storage class 6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK WGK 1 slightly hazardous to water
Disposal 9
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).

Safety Information
Hazard Symbols Hazard SymbolsToxic
Categories of danger toxic, corrosive
R Phrase R 22-23-34
Harmful if swallowed.Toxic by inhalation.Causes burns.
S Phrase S 18-26-28-36/37/39-38-45
Handle and open container with care.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of soap and water.Wear suitable protective clothing, gloves and eye/face protection.In case of insufficient ventilation, wear suitable respiratory equipment.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage and Shipping Information
Storage Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID UN 2927 , 6.1 (8), II
Declaration (transport by air) IATA-DGR UN 2927 , 6.1 (8), II
Declaration (transport by sea) IMDG-Code UN 2927 , 6.1 (8), II

Specifications
Assay (acidimetric) ≥ 99.0 %
Identity (IR) passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.