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Sodium bicarbonate(144-55-8)

Sodium bicarbonate(144-55-8)
Product IdentificationBack to Contents
【Product Name】

Sodium bicarbonate
【Synonyms】

Baking soda
Bicarbonate of soda
Monosodium carbonate
Sodium acid carbonate
Sodium hydrogen carbonate
【CAS】

144-55-8
【Formula】

CHNaO3
【Molecular Weight】

84.01
【EINECS】

205-633-8
【RTECS】

VZ0950000
【RTECS Class】

Mutagen; Reproductive Effector; Human Data; Primary Irritant
【Merck】

12,8726
【Beilstein/Gmelin】

4153970
Physical and Chemical PropertiesBack to Contents
【Appearance】

White, odorless, crystalline powder or granules.
【Solubility in water】

Soluble
【Melting Point】

270
【Vapor Pressure】

7314 (100 C)
【Density】

2.159 g/cm3 (20 C)
【pKa/pKb】

(1) 6.37, (2) 10.25 (carbonic (at 25℃) (pKa)
【Usage】

In manufacture of many sodium salts, source of carbon dioxide, in effervescent salts, beverages, cleaning compound.
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Get medical aid if irritation or symptoms occur.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Do NOT allow victim to rub or keep eyes closed.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
【Handling】

Use with adequate ventilation. Minimize dust generation and accumulation. Avoid prolonged or repeated contact with skin. Avoid breathing vapors from heated material. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not allow contact with water. Keep from contact with moist air and steam.
Hazards IdentificationBack to Contents
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation. Repeated or prolonged exposure may cause drying and cracking of the skin.
【Eyes】

Causes eye irritation. Causes redness and pain.
【Ingestion】

May cause irritation of the digestive tract.
【Hazards】

this chemical is noncombustible.
【EC Safety Phrase】

S 22 24/25
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Prolonged or repeated skin contact may cause irritation.
【Poison Class】

5
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use extinguishing media appropriate to the surrounding fire. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. Use agent most appropriate to extinguish fire. Do NOT get water inside containers. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.
Stability and ReactivityBack to Contents
【Incompatibilities】

Oxidizing agents.
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Transport InformationBack to Contents
【HS Code】

2836 30 00
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