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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-
Molecular Weight:
160.95
MDL Number:
MFCD00036287
MOL File:
7782-91-4.mol
MSDS File:
SDS
Last updated:2024-04-28 19:50:54

Molybdic acid Properties

Melting point 300 °C
Density 3.1 g/mL at 25 °C (lit.)
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)
FDA UNII I96N991J1N
EPA Substance Registry System Molybdate (MoO42-), dihydrogen, (T-4)- (7782-91-4)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS08
Signal word  Warning
Hazard statements  H315-H319-H335-H373
Precautionary statements  P280a-P304+P340-P405-P501a-P261-P305+P351+P338
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
NFPA 704
0
2 0

Molybdic acid price More Price(26)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 232084 Molybdic acid ≥85.0% MoO3 basis, ACS reagent 7782-91-4 100G $98.4 2024-03-01 Buy
Sigma-Aldrich 232084 Molybdic acid ≥85.0% MoO3 basis, ACS reagent 7782-91-4 500G $377 2024-03-01 Buy
Sigma-Aldrich 1.00400 Molybdicacidabout85%MoO3 (containingammoniummolybdate)EMPLURA? 7782-91-4 1kg $466 2024-03-01 Buy
Alfa Aesar 022983 Molybdic acid, ACS, MoO3 85% min 7782-91-4 500g $194 2024-03-01 Buy
Alfa Aesar 022983 Molybdic acid, ACS, MoO3 85% min 7782-91-4 2kg $601 2024-03-01 Buy
Product number Packaging Price Buy
232084 100G $98.4 Buy
232084 500G $377 Buy
1.00400 1kg $466 Buy
022983 500g $194 Buy
022983 2kg $601 Buy

Molybdic acid Chemical Properties,Uses,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

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.

Uses

Determination of phosphates.

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.

Molybdic acid Preparation Products And Raw materials

Global( 263)Suppliers
Supplier Tel Email Country ProdList Advantage
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View Lastest Price from Molybdic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Molybdic acid pictures 2024-11-22 Molybdic acid
7782-91-4
US $1.00 / KG 1KG 85% 100kg/month WUHAN FORTUNA CHEMICAL CO., LTD
Molybdic acid pictures 2024-11-22 Molybdic acid
7782-91-4
US $6.00 / kg 1kg 99% 2000KG/Month HebeiShuoshengImportandExportco.,Ltd
Molybdic acid pictures 2024-11-20 Molybdic acid
7782-91-4
US $6.00 / KG 1KG 99% 20TONS Hebei Longbang Technology Co., Ltd
  • Molybdic acid pictures
  • Molybdic acid
    7782-91-4
  • US $1.00 / KG
  • 85%
  • WUHAN FORTUNA CHEMICAL CO., LTD
  • Molybdic acid pictures
  • Molybdic acid
    7782-91-4
  • US $6.00 / kg
  • 99%
  • HebeiShuoshengImportandExportco.,Ltd
  • Molybdic acid pictures
  • Molybdic acid
    7782-91-4
  • US $6.00 / KG
  • 99%
  • Hebei Longbang Technology Co., Ltd

Molybdic acid Spectrum

Molybdic acid, for analysis Molybdic acid, for analysis ACS MOLYBDIC ACID, 85% REAGENT (ACS) MOLYBDIC ACID, A.C.S. REAGENT MOLYBDIC ACID CA. 85 % MOO3 (COMMER-CIAL QUALITY, CONTAINS AMMONIUM MOLYBDIC ACID >=85.0% AS MOO3 A.C.S& MolybdicAcid85%ExtraPure MolybdicAcid>98% MolybdicAcidAr MolybdicAcid85%Gr MolybdicAcidReagent Molybdic acid, pract. Molybdicacid,ACS,MoO385%min Molybdic acid, MoO3 85% min Ammonium molybdate (di), 10% w/v aq. soln. Ammonium molybdate (di), 4% w/v aq. soln. Molybdic Acid, 85 % MOLYBDIC ACID extrapure AR MOLYBDIC ACID pure Molybdate (MoO42-), dihydrogen, (T-4)- molybdic acid, acs MOLYBDIC ACID: MOO3 85% Molybdic Acid, 85%, Reagent AMMONIUM MOLYBDATE TS ammonium dimolydbate Molybdic acid, ACS, MoO3 85% min Molybdic acid, ACS, MoO min (beta-4)-molybdate(moo42-dihydrogen AMMONIUM MOLYBDENUM OXIDE (DI) AMMONIUM MOLYBDATE (DI) AMMONIUM MOLYBDATE REAGENT dihydrogen,(T-4)-Molybdate MOLYBDIC ACID Molybdic Acid, 85 Percent, Reagent, ACS Molybdic acid, for analysis ACS 100GR MOLYBDIC ACID ABOUT 85% MOO3 (CONTAINING Molybdic acid >=85.0% MoO3 basis, ACS reagent Molybdic acid, MoO3 85.0% min. Molybdic acid, MoO3 85.0% min., ACS Molybdic acidACS reagent, ≥ 85.0% (MoO3) (Titration) Molybdic acid about 85% MoO (containing ammonium molybdate) EMPLURA Molybdate (MoO42-), hydrogen (1:2), (T-4)- MOLYBDIC ACID, 85%, REAGENT (ACS)MOLYBDIC ACID, 85%, REAGENT (ACS)MOLYBDIC ACID, 85%, REAGENT (ACS)MOLYBDIC ACID, 85%, REAGENT (ACS) Molybdic acid, 85%, ACS reagent Molybdic acid Visualization Reagents, 20g/L in 5% H2SO4 Molybdic Acid,99%, MoO3:85% MOLYBDIC ACID 85% MOO3 1 KG Molybdic acid ISO 9001:2015 REACH Molybdic acid hydrate extrapure 100GM Molybdic acid hydrate extrapure 500GM Molybdic acid hydrate AR/ACS 100GM Molybdic acid, GR 85% Molybdic acidQ: What is Molybdic acid Q: What is the CAS Number of Molybdic acid Q: What is the storage condition of Molybdic acid Q: What are the applications of Molybdic acid Molybdic acid 85% MoO3 basis Molybdic Acid extrapure AR, ACS, ExiPlus, Multi-Compendial, 85% Molybdic Acid (SQ), Qualigens MOLYBDIC ACID AR/ACS MOLYBDIC ACID Extra Pure