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{"title":"CAS 497-18-7 Carbohydrazide CHZ Oxygen Scavenger and Passivating Agent White","imgUrl":"https:\/\/img.chinax.com\/nimg\/f3\/e6\/2d42c686df73563b2bb43653a558-200x200-1\/cas_497_18_7_carbohydrazide_chz_oxygen_scavenger_and_passivating_agent_white_powder_for_industrial_boiler_water_treatment.jpg","attrs":{"Brand Name":"HOYOSHEE","Certification":"ISO9001","Minimum Order Quantity":"Negotiation","Price":"Negotiation"}}
Sodium Bromide CAS 7647-15-6 for Photographic Film Emulsion
High-purity sodium bromide specifically formulated for preparing photographic emulsion in film production, offering reliable performance and consistent quality.
Sodium bromide appears as colorless cubic crystals or white granular powder at room temperature, belonging to the equiaxed crystal system. It is odorless with a slightly bitter taste and exhibits high toxicity.
Absorbs moisture and clumps in air but does not deliquesce
Slightly soluble in alcohol, easily soluble in water (121g/100ml at 100°C)
Aqueous solution is neutral and conductive
Anhydrous crystals precipitate at 51°C; dihydrate forms below 51°C
Bromide ions can be replaced by fluorine and chlorine
Oxidized to free bromine under acidic conditions with oxygen
Reacts with dilute sulfuric acid to generate hydrogen bromide
Chemical Reactions
Concentrated sulfuric acid cannot be used with sodium bromide due to its strong oxidizing properties, which oxidize bromide to elemental bromine, releasing reddish-brown gas. Hydrogen bromide production requires concentrated phosphoric acid with sodium bromide via solid heating.
Medical Applications
Bromide ions enhance the inhibitory process of the cerebral cortex and promote concentration. Medically used as a sedative, hypnotic, or anticonvulsant.
Safety Notice: Swallowing or inhaling this compound may cause damage to the central nervous system, brain, and eyes, as well as irritating reactions to skin, eyes, and respiratory tract.
Industrial Applications
Raw material for preparing film photosensitive liquid
Sedative in medical applications
Brominating agent in printing and dyeing industry
Synthesis of fragrances and other chemicals
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
3000W-0.2B
Employee Number:
100~500
Ecer Certification：
Verified Supplier
Hunan Hoyoshee Chemical Industrial Co.Ltd was established in 2019, it is a high-tech enterprise that integrates scientific research, development, design, production, sales, and technical consulting services. The company's annual production of 15000 tons of new materials and water treatment agen... Hunan Hoyoshee Chemical Industrial Co.Ltd was established in 2019, it is a high-tech enterprise that integrates scientific research, development, design, production, sales, and technical consulting services. The company's annual production of 15000 tons of new materials and water treatment agen...
