AMMONIUM CHROMATE

ChemicalBook > CAS DataBase List > AMMONIUM CHROMATE

Product Name: AMMONIUM CHROMATE
CAS No.: 7788-98-9
Chemical Name: AMMONIUM CHROMATE
Synonyms: Neutral ammonium;Ammonium chronate;AMMONIUM CHROMATE;diammoniumchromate;Ammoniummonochromat;ammoniumchromate(vi);Ammoniumchromate,98+%;Ammonium chromate 98%;neutralammoniumchromate;AmmoniumDichromate,>99%
CBNumber: CB7123636
Molecular Formula: CrH8N2O4
Formula Weight: 152.07
MOL File: 7788-98-9.mol

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AMMONIUM CHROMATE Property

Melting point:: 180°C (dec.)
Density: 1.91 g/mL at 25 °C (lit.)
solubility: H₂O: 1 M at 20 °C, clear, yellow
form: Crystalline
Specific Gravity: 1.91
color: Yellow-orange
Water Solubility: Soluble in water. Slightly soluble in liquid ammonia, acetone, methanol. Insoluble in ethanol.
Merck: 14,510
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
CAS DataBase Reference: 7788-98-9(CAS DataBase Reference)
EPA Substance Registry System: Ammonium chromate (7788-98-9)

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Safety

Hazard Codes: O,T,N
Risk Statements: 49-8-43-50/53-34
Safety Statements: 53-17-45-60-61-36/37/39-26
RIDADR: UN 1479 5.1/PG 2
WGK Germany: 3
RTECS: GB2880000
TSCA: Yes
HazardClass: 5.1
PackingGroup: III
Hazardous Substances Data: 7788-98-9(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H272May intensify fire; oxidizer

H314Causes severe skin burns and eye damage

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H350May cause cancer

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

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.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 216038
Product name: Ammonium chromate
Purity: 98%
Packaging: 500g
Price: $190
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: ING0002296
Product name: AMMONIUM CHROMATE
Purity: 95.00%
Packaging: 100G
Price: $2472.31
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: ING0002296
Product name: AMMONIUM CHROMATE
Purity: 95.00%
Packaging: 500G
Price: $4396.82
Updated: 2021/12/16

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AMMONIUM CHROMATE Chemical Properties,Usage,Production

Chemical Properties

Ammonium chromate is a yellow crystalline compound which can be used in solution, which is yellow with an ammonia odor.

Uses

Ammonium chromate, is used in photography as a sensitizer for gelatin coatings. It's often used in photography, textile printing, and fixing chromate dyes on wool. It is also used as an analytical reagent, catalyst.

Uses

Reagent for the preparation of a solid heterogeneous oxidizing agent for liquid phase oxidation of alcohols.

Uses

Sensitizing gelatin in photography, in textile printing pastes, in fixing chromate dyes on wool, and as a reagent in analytical chemistry.

Hazard

Toxic by inhalation, strong irritant. Con- firmed carcinogen.

Safety Profile

A poison. Mutation data reported. See also CHROMIUM COMPOUNDS. A powerful oxidizer. An explosion hazard when shocked or heated. When heated to decomposition it emits toxic fumes of NH3, Cr03, and NOx. Incompatible with reducing agents.

Potential Exposure

It is used to inhibit corrosion and in dyeing, photography and many chemical reactions. Used as a fungicide and fire retardant.

Shipping

UN3288 Toxic solids, inorganic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Crystallise it from weak aqueous ammonia (ca 2.5mL/g) by cooling from room temperature. It loses NH3 on heating to form ammonium dichromate. POISONOUS.

Incompatibilities

A strong oxidizer and an explosive. Contact with combustible, organic and other readily oxidizable substances may cause fire and explosions. Hydrazine, other reducing agents. Corrosive to metals.

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Addition of a large volume of a reducing agent solution (hypo, bisulfite or ferrous salt, and acidify with 3 M sulfuric acid). When reduction is complete, flush to drain with large volumes of water.

AMMONIUM CHROMATE Preparation Products And Raw materials

Raw materials

Chromium(VI) oxide Potassium chromate Ammonia Potassium sulfate Ammonium dichromate

Preparation Products

Furfuryl alcohol

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View Lastest Price from AMMONIUM CHROMATE manufacturers

Shaanxi Dideu Medichem Co. Ltd

Product: Ammonium chronate 7788-98-9
Price: US $0.00-0.00/KG
Min. Order: 10mg
Purity: 99%
Supply Ability: 2000tons
Release date: 2020-01-16

Hebei Zhanyao Biotechnology Co. Ltd

Product: AMMONIUM CHROMATE 7788-98-9
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 tons
Release date: 2021-10-18

Career Henan Chemical Co

Product: AMMONIUM CHROMATE 7788-98-9
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%HPLC
Supply Ability: 10tons
Release date: 2020-01-09

7788-98-9, AMMONIUM CHROMATERelated Search:

Sodium tungstate AMMONIUM TUNGSTATE 99.99% SILVER CHLORATE Reinecke salt Chromic acid Ammonium dichromate ANILINE BLACK Bis(tetrabutylammonium) dichromate Pyridinium dichromate AMMONIUM CHROMATE IMIDAZOLIUM DICHROMATE QUINOLINIUM DICHROMATE 4-CARBOXYPYRIDINIUM DICHROMATE Tri-butyl chromate Nickel ammonium chromate hexahydrate COPPER (II) AMMONIUM CHROMATE,CUPRIC AMMONIUM CHROMATE TETRAKIS(PYRIDINE)SILVER(I) DICHROMATE Kromad

ammoniumchromate(vi)

chromicacid(h2cro4),diammoniumsalt

chromicacid[h2cro4],diammoniumsalt

diammoniumchromate

neutralammoniumchromate

AMMONIUM CHROMATE

Ammonium chronate

AmmoniumDichromate,>99%

Ammoniumchromate,98+%

ammonium chromate, reagent grade

AMMONIUMCHROMATE,POWDER,REAGENT

Ammoniummonochromat

AMMONIUM CHROMATE REAGENT

Diammonium chromate ((NH4)2CrO4)

Neutral ammonium

Ammonium chromate-powder

Ammonium chromate 98%

Ammonium 3,3-dimethylcyclopropane-1,2-dicarboxylate

AMMONIUM CHROMATE ISO 9001：2015 REACH

7788-98-9

889-09-5

H8CrN2O4

NH42CrO4

N2H8CrO4

Ammonium Salts

Metal and Ceramic Science

Salts

Inorganic Chemicals