Sodium chromate tetrahydrate
- Product Name
- Sodium chromate tetrahydrate
- CAS No.
- 10034-82-9
- Chemical Name
- Sodium chromate tetrahydrate
- Synonyms
- DISODIUM CHROMATE;SodiumChromateReagent;SODIUM CHROMATE 4 H2O;SODIUM CHROMATE 4HYD XTL;SODIUMCHROMATE,TECH(BULK;SODIUMCHROMATE,CRYSTAL,CP;SODIUM CHROMATE, 4-HYDRATE;SODIUM CHROMATE TETRAHYDRAT;SODIUM CHROMATE TETRAHYDRATE;Disodium chromate tetrahydrate
- CBNumber
- CB7250491
- Molecular Formula
- CrH5NaO5
- Formula Weight
- 160.02
- MOL File
- 10034-82-9.mol
Sodium chromate tetrahydrate Property
- Melting point:
- 792℃
- Density
- 2.73
- solubility
- slightly soluble in ethanol
- form
- Crystals
- color
- Yellow
- PH
- pH (10g/l, 25℃) : 8.0～10.0
- Odor
- Odorless
- Water Solubility
- Soluble in water.
- Sensitive
- Hygroscopic
- Merck
- 14,8601
- Exposure limits
- ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 - Stability:
- Stable. Incompatible with strong reducing agents, combustible materials, strong acids. Deliquescent.
- CAS DataBase Reference
- 10034-82-9(CAS DataBase Reference)
- EPA Substance Registry System
- Sodium chromate(VI), tetrahydrate (10034-82-9)
Safety
- Hazard Codes
- T+,N
- Risk Statements
- 45-46-60-61-21-25-26-34-42/43-48/23-50/53
- Safety Statements
- 53-45-60-61
- RIDADR
- UN 3288 6.1/PG 2
- WGK Germany
- 3
- RTECS
- GB2958300
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- II
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H301Toxic if swalloed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H330Fatal if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H340May cause genetic defects
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 216623
- Product name
- Sodium chromate tetrahydrate
- Purity
- 99%
- Packaging
- 100g
- Price
- $57.2
- Updated
- 2024/03/01
- Product number
- 216623
- Product name
- Sodium chromate tetrahydrate
- Purity
- 99%
- Packaging
- 500g
- Price
- $138
- Updated
- 2024/03/01
- Product number
- 013453
- Product name
- Sodium chromate tetrahydrate, Reagent Grade
- Packaging
- 250g
- Price
- $63.65
- Updated
- 2024/03/01
- Product number
- 013453
- Product name
- Sodium chromate tetrahydrate, Reagent Grade
- Packaging
- 1kg
- Price
- $196
- Updated
- 2023/06/20
- Product number
- 93-1129
- Product name
- Sodium chromate tetrahydrate, 99+%
- Packaging
- 100g
- Price
- $33
- Updated
- 2024/03/01
Sodium chromate tetrahydrate Chemical Properties,Usage,Production
Chemical Properties
yellow deliquescent crystals
Chemical Properties
Sodium cyanide is found as white granules, flakes or lumps. Sodium cyanide is shipped as pellets or briquettes. Odorless when dry. It absorbs water from air (is hygroscopic or deliquescent). Hydrogen cyanide gas released by sodium cyanide has a distinctive mild, bitter almond odor, but a large proportion of people cannot detect it; the odor does not provide adequate warning of hazardous concentrations.
Chemical Properties
Sodium chromate, including the hexahydrate, is yellow crystalline solids that can also be used in solution. Disodium dichromate (10588-01-9):
Uses
Corrosion inhibitor, pigment manufactureSodium chromate tetrahydrate is used as a corrosion inhibitor, wood preservative and an auxiliary in textile industry. It serves as an oxidant, which is used to prepare carboxylic acids and ketones from primary and secondary alcohols respectively. Further, it is used as a starting material to prepare other chromium compounds and as a catalyst in organic synthesis especially pharmaceuticals and agro chemicals.
Uses
Sodium chromate tetrahydrate can be used as an oxidant in organic synthesis and also as a carrier electrolyte in the capillary electrophoresis.
General Description
Odorless bright yellow deliquescent crystals. Aqueous solutions are alkaline.
Air & Water Reactions
Deliquescent. Water soluble.
Reactivity Profile
Sodium chromate tetrahydrate is a strong oxidizing agent. Incompatible with strong acids . Contact with combustible materials may lead to a fire. Toxic chromium oxide fumes may form in fire [USCG, 1999].
Fire Hazard
Literature sources indicate that Sodium chromate tetrahydrate is nonflammable.
Potential Exposure
Used to make dyes, inks, pigments, and other chromates; in leather tanning, a corrosion inhibitor in circulating water systems; metal treatment; a drilling mud additive; chemical intermediate for chromium catalysts; colorimetry, oxidizing agent; bleaching agent; an algicide, fungicide, insecticide; in wood preservation.
Shipping
UN3087 Oxidizing solid, toxic, n.o.s., Hazard Class: 5.1; Labels: 5.1-Oxidizer, 6.1-Poisonous materials, Technical Name Required. UN3085 Oxidizing solid, corrosive, n.o.s., Hazard Class: 5.1; Labels: 5.1-Oxidizer, 8-Corrosive material, Technical Name Required.
Purification Methods
Crystallise the chromate from hot water (0.8mL/g). It is deliquescent.
Incompatibilities
Sodium cyanide decomposes on contact with acids, acid salts, water, moisture, alcohols, and carbon dioxide, releasing highly toxic and flammable hydrogen cyanide gas. Aqueous solution is a strong base; it reacts violently with acid and is corrosive. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Absorbs moisture from the air forming a corrosive syrup. Corrosive to active metals, such as aluminum, copper, and zinc. Under acid conditions, sarin hydrolyzes to form hydrofluoric acid.
Waste Disposal
Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office. Add strong alkaline hypochlorite and react for 24 hours. Then flush to sewer with large volumes of water.
Sodium chromate tetrahydrate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Sodium chromate tetrahydrate manufacturers
- Product
- Sodium chromate tetrahydrate 10034-82-9
- Price
- US $21.00/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-25
- Product
- Sodium chromate tetrahydrate 10034-82-9
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 98%-99.9%
- Supply Ability
- 100kg
- Release date
- 2020-01-10