Molybdic acid (HCID 82208)

概要

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

名称と識別子

優先名称: Molybdic acid
IUPAC: dihydroxy(dioxo)molybdenum
現地名: 二モリブデン酸アンモニウム
英語名: Ammonium dimolybdate
分子式: H6MoNO+
分子量: 132

名称と別名

Molybdic acid7782-91-4Molybdic(VI) acidMolybdate (MoO42-), dihydrogen, (T-4)-I96N991J1NCHEBI:25371RefChem:819194231-970-5dihydroxy(dioxo)molybdenumMolybdicacidDiammonium dimolybdateUNII-I96N991J1N

名称をさらに表示

二モリブデン酸アンモニウムモリブデン酸アンモニウム (ジ), Mo 56.5%Molybdic(Ⅵ) acidAmmonium DimolyPateDiammoniumdimolybdatAMMONIUM DIMOLYBDATEAMMONIUM MOLYBDATE TSmolybdate, diammoniumAmmoniumdimolybdate,99%AMMONIUM MOLYBDATE (DI)

H2MoO4EINECS 231-970-5MFCD00036287Molybdate (MoO42-), dihydrogen, (beta-4)-Molybdate (MoO42-), hydrogen (1:2), (T-4)-Molybdic acid (H2MoO4)H2MoO4.12H2O11099-00-6

データベース識別子

CAS: 27546-07-2、7782-91-4
PubChem CID: 82208
ChEBI: CHEBI:25371
UNII: I96N991J1N
EC Number: 231-970-5、248-517-2

物性

構造計算による物性

極性表面積: 74.6 Å²
水素結合供与体数: 2
水素結合受容体数: 4
回転可能結合数: 0
重原子数: 5
形式電荷: 0
複雑度: 81.3

実験および物理化学的性質

Chemical Classes · 2 件

Metals -> Metals, Inorganic Compounds

Physical Description · 4 件

Dry Powder

Monohydrate: White solid; Slightly soluble in cold water, more soluble in hot water; [Merck Index] Yellowish odorless powder; Insoluble in water; [MSDSonline]

White powder with an ammoniacal odor; Soluble in water; [Alfa Aesar MSDS]

V (@25 °C)

物理化学的性質

融点: 300 °C · 300 °C
比重(密度): 3.1 · 3.1
貯蔵温度: Sealed in dry,Room Temperature
溶解性: 2 O · soluble in H2O
外見: 粉
色: 白い
水溶解度: 水に溶ける。
CAS データベース: 27546 · 27546-07-2(CAS DataBase Reference)
EPAの化学物質情報: Ammonium molybdenum oxide ((NH4)2Mo2O7) (27546-07-2)

化学的性質

化学的特性white powder(s); obtained by crystallization from a solution of MoO3 containing excess NH3; used as a high purity source for the preparation of Mo metal [KIR8l] [ALF93]

安全と法規制

GHS分類

GHS Classification · 6 件

This chemical does not meet GHS hazard criteria for 57.3% (125 of 218) of all reports.

Warning

H319 (42.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P260, P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P319, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 218 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

This chemical does not meet GHS hazard criteria for 99.1% (211 of 213) of all reports.

危険有害性情報

Regulatory Information · 6 件

Chemical: Molybdate (MoO42-), dihydrogen, (T-4)-

Chemical: Molybdate (Mo2O72-), diammonium

Molybdate (MoO42-), hydrogen (1:2), (T-4)- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Molybdate (MoO42-), hydrogen (1:2), (T-4)- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 01-06-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/17317

Status: Active Update: 13-09-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/14454

Molybdate (Mo2O72-), diammonium: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Other Safety Information · 2 件

IMAP assessments - Molybdenum Trioxide and Molybdic Acid: Human health tier II assessment

IMAP assessments - Molybdate (Mo2O72-), diammonium: Human health tier I assessment

Hazards Summary · 2 件

Prepared as the monohydrate, molybdic(VI) acid has the formula H2MoO4; [Merck Index] An eye irritant; [eChemPortal: ERMA] An irritant; [MSDSonline] See Molybdenum.

May cause irritation; [Alfa Aesar MSDS] See Sodium molybdate(VI) dihydrate.

Hazard Classes and Categories · 3 件

Not Classified

Eye Irrit. 2 (42.2%)

Carcinogenicity - category 2

安全と保護具

Threshold Limit Values (TLV) · 2 件

0.5 [mg/m3], as Mo, respirable fraction

Permissible Exposure Limit (PEL) · 2 件

5.0 [mg/m3], as Mo

Protective Action Criteria (PAC) · 6 件

12 [mg/m3]

130 [mg/m3]

770 [mg/m3]

2.5 [mg/m3]

28 [mg/m3]

170 [mg/m3]

Immediately Dangerous to Life or Health (IDLH) · 2 件

1000.0 [mg/m3], as Mo

安全データ

tsca: TSCA listed
hs_code: 28417010
risk_code: 36/37/38
hazard_code: Xi
safety_code: 24/25

化学と産業

用途と製造

Uses · 2 件

Used in chemical synthesis, for extraction, refining, and processing of metals, as a coloring agent, construction materials additive, flame retardant, process regulator, catalyst, and in the production of other molybdenum compounds and alloys; [IUCLID] Used to make catalysts, activated charcoal impregnants, molybdenum compounds, base metals and alloys, and large scale and fine chemicals, to formulate lubricants-lubricant additives-greases, coatings-paints-thinners, fillers-putties-plasters, metal surface treatment products (including those for galvanizing and electroplating), non-metal surface treatment products, flux coating/core welding and soldering products, and laboratory chemicals, and as a micronutrient in fertilizers; [ExPub: ECHA REACH Registrations]

Welding [Category: Weld]

U.S. Production2023: <50,000 lb

Industry UsesIntermediate

General Manufacturing Information · 2 件

All Other Basic Organic Chemical Manufacturing

Molybdate (MoO42-), hydrogen (1:2), (T-4)-: ACTIVE

応用分野 · 1 件

使用Ammonium molybdate (di) is used as pigments, agricultural fertilizer, color lakes and fabric fire retardant agent. It is also used as a raw material for the production of molybdenum wire, ceramic glazes and other molybdenum compounds. Further, it is used in photography, ceramics and paints. It is also used reagent for analysis as well as in the determination of phosphorus in analytical chemistry. In addition, it is used as a catalyst in the petrochemical industry.