应用
It is widely employed as a water softener, an electrolyte, as a good conductor in electrolysis, as a primary standard for acid-base titrations and mostly as a buffer component in applications such as chromatography, capillary electrophoresis and enzyme catalysis. Also used in glass manufacture, detergent manufacture, sodium chemicals, carbonate chemicals manufacture, pulp and paper, brine treatment, flue gas desulfurization, coal treatment and ion exchange resin regeneration.

Grade Specifications
Maximum level of impurities: Insoluble matter 0.01%, Loss on drying at 150? 13.0-15.0%, Cl 0.001%, PO₄5ppm, SiO₂0.005%, Sulfur compounds (as SO₄) 0.004%, Ca 0.03%, Mg 0.005%, Heavy Metals (as Pb) 5ppm, Fe 5ppm, K 0.005%

备注
Incompatible with strong acids, aluminum, fluorine, lithium and phosphorus oxides.

基本信息

MDL
MFCD00149177

EINECS
207-838-8

分子式
Na₂CO₃?H₂O

分子量
124.01 (105.99anhy)

熔点
100° -H{2}O

密度
2.250

灵敏度
Hygroscopic. Store under Nitrogen. Ambient temperatures.

形态
Granular

溶解性
Soluble in water and glycerol. Insoluble in alcohol, acetone, alkyl acetates,benzonitrile and liquid ammonia.

Merck
14,8596

GHS危害和防范说明

GHS符号

Hazard Statements
H303-H332-H319
May be harmful if swallowed.Harmful if inhaled.Causes serious eye irritation.

Precautionary Statements
P261-P280i-P305+P351+P338-P304+P340-P312a-P337+P313
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.If eye irritation persists: Get medical advice/attention.

安全信息

危险类别
36
Irritating to eyes.

安全等级
22-26
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA
是