Molybdic acid

ChemicalBook > CAS DataBase List > Molybdic acid

Descriptioin

Product Name: Molybdic acid
CAS No.: 7782-91-4
Chemical Name: Molybdic acid
Synonyms: molybdicaci;MOLYBDIC ACID;MolybdicAcidAr;MolybdicAcid>98%;MolybdicAcid85%Gr;MOLYBDIC ACID pure;molybdic acid, acs;MolybdicAcidReagent;ammonium dimolydbate;MOLYBDIC ACID AR/ACS
CBNumber: CB8854324
Molecular Formula: HMoO4-
Formula Weight: 160.95
MOL File: 7782-91-4.mol

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Molybdic acid Property

Melting point:: 300 °C
Density: 3.1 g/mL at 25 °C (lit.)
bulk density: 980kg/m3
vapor density: 6.2 (vs air)
storage temp.: Store at +5°C to +30°C.
solubility: slightly soluble in H2O; soluble in alkaline solutions
form: white powder
Specific Gravity: 3.1
color: White powder
Odor: Odorless
PH: 3.46(1 mM solution);2.94(10 mM solution);2.43(100 mM solution)
Water Solubility: 70 g/l (20 ºC)
Merck: 13,6263
Exposure limits: ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3
CAS DataBase Reference: 7782-91-4(CAS DataBase Reference)
EPA Substance Registry System: Molybdate (MoO42-), dihydrogen, (T-4)- (7782-91-4)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-48/20/22-36/37
Safety Statements: 24/25-22-26
WGK Germany: 3
TSCA: Yes
HS Code: 28111990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 232084
Product name: Molybdic acid
Purity: ≥85.0% MoO3 basis, ACS reagent
Packaging: 100G
Price: $98.4
Updated: 2024/03/01

Sigma-Aldrich

Product number: 232084
Product name: Molybdic acid
Purity: ≥85.0% MoO3 basis, ACS reagent
Packaging: 500G
Price: $377
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.00400
Product name: Molybdicacidabout85%MoO3
Purity: (containingammoniummolybdate)EMPLURA?
Packaging: 1kg
Price: $466
Updated: 2024/03/01

Alfa Aesar

Product number: 022983
Product name: Molybdic acid, ACS, MoO3 85% min
Packaging: 500g
Price: $194
Updated: 2024/03/01

Alfa Aesar

Product number: 022983
Product name: Molybdic acid, ACS, MoO3 85% min
Packaging: 2kg
Price: $601
Updated: 2024/03/01

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Molybdic acid Chemical Properties,Usage,Production

Descriptioin

The monohydrate is a yellow solid consisting of monoclinic crystals; density 3.124 g/cm3 at 15°C; loses water of crystallization on heating at 70°C;
sparingly soluble in cold water (1.33 g/L at 18°C); moderately soluble in hot water 25.68 g/L at 70°C; soluble in caustic soda and sodium carbonate solution. The anhydrous acid consists of white hexagonal crystals; density 3.112 g/cm3; converts to molybdenum trioxide, MoO3 at 70°C; slightly soluble in water; soluble in alkalies and sulfuric acid.
The monohydrate is prepared by treating a molybdate solution with nitric acid, followed by crystallization which may take several weeks to separate out as a yellow solid. The anhydrous molybdic acid is obtained as a white crystalline substance by careful dehydration of the yellow monohydrate.

Chemical Properties

white crystals or crystalline powder

Uses

Determination of phosphates.

Uses

Molybdic acid is used as a precursor in the production of ammonium molybdate tetrahydrate and molybdenum(IV) sulfide. The mixture of molybdic acid in concentrated sulfuric acid is called as Froehde reagent, which finds application in analytical chemistry for the detection of alkaloids.

Definition

Molybdic acid of commerce iseither ammonium molybdate (molybdic acid 85%)or molybdenum trioxide. The use of the term inter-changeably for these compounds has caused con-fusion. Solutions of molybdic acid are very com-plex chemically since they show a great tendencyto polymerize.

reaction suitability

reagent type: catalyst
core: molybdenum

Molybdic acid Preparation Products And Raw materials

Raw materials

Ammonium molybdate tetrahydrate Molybdenum disulfide

Preparation Products

1-Naphthol Acrolein 1,2,3,4-Tetrahydronaphthalene

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View Lastest Price from Molybdic acid manufacturers

Hebei Saisier Technology Co., LTD

Product: Molybdic acid 7782-91-4
Price: US $6.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 2000KG/MONTH
Release date: 2024-04-17

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Molybdic acid 7782-91-4
Price: US $1.00/KG
Min. Order: 1KG
Purity: 85%
Supply Ability: 100kg/month
Release date: 2021-06-21

HebeiShuoshengImportandExportco.,Ltd

Product: Molybdic acid 7782-91-4
Price: US $6.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 2000KG/Month
Release date: 2024-08-09

7782-91-4, Molybdic acidRelated Search:

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(beta-4)-molybdate(moo42-dihydrogen

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