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Molybdic acid

Molybdic acid structure

CAS No:
7782-91-4
Formula:
H.¹/2MoO4
Chemical Name:
Molybdic acid
Synonyms:
Molybdate (MoO42-),hydrogen (1:2),(T-4)-;Molybdic acid (H2MoO4);Molybdate (MoO42-),dihydrogen,(T-4)-;Molybdic(VI) acid (H2MoO4);Dihydrogen tetraoxomolybdate(2-);Molybdic acid;H2MoO4;Molybdenum hydroxide oxide (MoO2(OH)2);Molybdenum hydroxide oxide (Mo(OH)2O2);Molybdenum hydroxide oxide (Mo(OH)2O2);8030-65-7;11099-00-6;14854-24-1;31051-56-6;36730-33-3;36730-35-5;66828-59-9;80031-73-8;113844-93-2;118063-53-9;449187-65-9;876012-62-3;1108177-06-5;1128073-76-6;1310914-20-5;1312888-88-2
Categories:
Cosmetic Ingredient > Cosmetic Preservative

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Description

white crystals or crystalline powder

DryPowder

Molybdic acid is a molybdenum oxoacid. It is a conjugate acid of a hydrogenmolybdate.

Molybdic acid Basic Attributes

Molecular Weight：

161.95

Exact Mass：

163.900711

EC Number：

231-970-5

UNII：

I96N991J1N

DSSTox ID：

DTXSID7094399

HScode：

2825700000

Characteristics

PSA：

74.60000

XLogP3：

-0.59120

Appearance：

DryPowder

Density：

3.1

Melting Point：

300 °C

Water Solubility：

H2O: 70 g/l (20 ºC)

Storage Conditions：

Store at +5°C to +30°C.

Vapor Density：

6.2 (vs air)

Safety Information

wgk germany：

hazard class code：

36/37/38-48/20/22-36/37

safety instructions：

24/25-22-26

Marks：

Xi,Xn

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P201, P202, P261, P264, P271, P280, P281, P304+P340, P305+P351+P338, P308+P313, P312, P337+P313, P403+P233, P405, P501

Hazard Statements：

H319

GHS Classification：

Not Classified| |Warning|H315 (16.3%): Causes skin irritation [Warning Skin corrosion/irritation]|P260, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P314, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 111 companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]|P201, P202, P261, P264, P271, P280, P281, P304+P340, P305+P351+P338, P308+P313, P312, P337+P313, P403+P233, P405, and P501

Drug Information

MeSH Entry Terms：

molybdic acid

Molybdic acid Use and Manufacturing

Methods of Manufacturing

The ammonium molybdate nitric acid neutralization method crushes the molybdenite to 60-80 mesh, oxidizes and roasts at 500-550°C in a roaster for 6-8 hours, and leaches with ammonia to obtain an ammonium molybdate solution. After purifying to remove impurities, use Acidify with nitric acid to precipitate molybdic acid precipitate, wash with warm water, centrifugal dehydrate, dry and crush to obtain finished molybdic acid. Its MoS2+3.5O2→MoO3?2SO2MoO3+2NH4OH→(NH4)2MoO4+H2O(NH4)2MoO4+2HNO3+H2O→H2MoO4?H2O+2NH4NO3

Uses

Used in medicine, metal electroplating coloring, pigments, petroleum catalysts, etc.; used as raw materials for the manufacture of molybdenum catalysts and molybdenum salts. It can also be used in medicine, metal electroplating colorant, blue pigment of ceramic glaze, oil painting and watercolor paint, paint, etc. Used as an analytical reagent, also used in the electronics industry; determination of phosphorus, phosphate and lead. Ceramic glaze.

Process regulators

Manufacturing Info：

All other basic organic chemical manufacturing|Molybdate (MoO42-), hydrogen (1:2), (T-4)-: ACTIVE

Computed Properties

Molecular Weight:161.96
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Exact Mass:163.900712
Monoisotopic Mass:163.900712
Topological Polar Surface Area:74.6
Heavy Atom Count:5
Complexity:81.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Ammonium molybdate ((NH4)6Mo7O24) tetrahydrate

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Guide of Molybdic acid

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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Molybdic acid

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