基本情報
- CAS
7778-43-0- 標準SMILES
O=[As]([O-])([O-])O.[Na+].[Na+]- InChIKey
IHZDYHDJAVUIBH-UHFFFAOYSA-L- 分子式
- AsHNa2O4
- 平均分子量
- 185.907 g/mol
- 単同位体質量
- 185.888617
概要
Disodium hydrogenarsenate is an inorganic sodium salt composed from sodium cations and arsenate dianions in a 2:1 ratio. It has a role as a poison. It contains an arsenate(2-).
名称と識別子
- 優先名称
- Sodium arsenate, dibasic
- IUPAC
- disodium;hydrogen arsorate
- 現地名
- ひ酸ジナトリウム
- 英語名
- SODIUM ARSENATE
- 分子式
- AsHNa2O4
- 分子量
- 185.91
名称と別名
Disodium arsenateSodium arsenate, dibasicSodium biarsenateDibasic sodium arsenatedisodium hydrogen arsorateDisodium arsenic acidDisodium hydrogenarsenateDisodium hydrogen arsenateSodium acid arsenateSodium arsenate, exsiccatedArsenic acid, disodium saltDisodium monohydrogen arsenate
名称をさらに表示
ひ酸ジナトリウムひ酸水素=二ナトリウムひ酸水素ジナトリウム砒酸水素二ナトリウムヒ酸水素ニナトリウムヒ酸水素二ナトリウム砒酸ナトリウムﾋ酸水素ﾅﾄﾘｳﾑdisodiumarsenatesodiumbiarsenateSodium arsenatesshaughnessy013505sodiumacidarsenatedisodiumarsenicacidSodium orthoarsenateArsenic acid disodiumAsenicacid,disodiumsaltarsenicacid,disodiumsalt
Disodium hydrogen orthoarsenateShaughnessy 013505CCRIS 6884Arsenic acid (H3AsO4), disodium saltHSDB 1675Sodium arsenate dibasic, anhydrousEINECS 231-902-4ANU034TUJ4
物性
構造計算による物性
- 極性表面積
- 83.4 Ų
- 水素結合供与体数
- 1
- 水素結合受容体数
- 4
- 回転可能結合数
- 0
- 重原子数
- 7
- 形式電荷
- 0
- 複雑度
- 46.5
実験および物理化学的性質
Chemical ClassesMetals -> Arsenic Compounds, Inorganic
Physical DescriptionColorless to white solid; [ICSC]
物理化学的性質
- 融点
- 86 ℃ · 86℃ [HAW93]
- 沸点
- 150 °C · decomp at 150°C
- 比重(密度)
- 1.7539 · 1.7539 [HAW93]
- 溶解性
- 2 O; · soluble in H2O; slightly soluble in ethanol; insoluble in ethyl ether
- 外見
- 固体
- 色
- 無色の白色粉末または固体、白華
- 水溶解度
- 水溶液 (g/100g): 5.59(0.1℃), 29.33(25℃), 66.5(98.5℃); 固相, Na2HAsO4・12H2O(0.1℃), Na2HAsO4・7H2O(25℃), Na2HAsO4(98.5℃) [ KRU93]; 微溶性アルコール [MER06]
- EPAの化学物質情報
- Arsenic acid (H3AsO4), disodium salt (7778-43-0)
化学的性質
化学的特性Sodium arsenate is currently registered for use as ant bait. These baits are used in approximately 1% of US homes. Sodium arsenate is a pentavalent form of inorganic arsenic. It is a heptahydrate that normally exists as colorless crystals with no discernible odor. Sodium arsenate contains 24% arsenic.
安全と法規制
安全情報は参考情報です。供給元の安全データシート（SDS）、適用法令、専門家による評価に代わるものではありません。
GHS分類
GHS Classification
Danger
H301+H331 (97.2%): Toxic if swallowed or if inhaled [Danger Acute toxicity, oral; acute toxicity, inhalation]
P203, P261, P264, P270, P271, P273, P280, P301+P316, P304+P340, P316, P318, P321, P330, P391, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 108 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
危険有害性情報
Regulatory Information
Chemical: Arsenic acid (H3AsO4), disodium salt
Restricted substance: Disodium hydrogenarsenate
Arsenic acid (H3AsO4), disodium salt: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Pentavalent arsenate salts: Human health tier II assessment
Hazards Summary
A skin, eye, and respiratory tract irritant; May cause arsenic poisoning; [ICSC] Primary irritant; Dibasic sodium arsenate contains 40% arsenic in the anhydrous form and 24% arsenic in the more common hydrate form; [HSDB] Heptahydrate: An irritant; May cause liver and kidney injury; [MSDSonline] See Disodium arsenate heptahydrate. See Arsenic and the linked occupational diseases.
Hazard Classes and Categories
Acute Tox. 3 (100%)
Carcinogenicity - category 1A
Serious eye damage/eye irritation - Category 2
Skin corrosion/irritation - Category 2
安全と保護具
化学と産業
薬理情報
MeSH Pharmacological ClassificationPesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics.
用途と製造
Uses
Used in dyeing with turkey-red oil, in printing fabrics, as a germicide, and as a poison on fly-papers; Used formerly as an insecticide in ant syrups and an antimalarial and dermatologic drug; Used in veterinary medicine for parasites (internally and externally) and other diseases (skin, blood, rheumatism, and asthma); [HSDB]
EPA: All registered products for nonwood use that contain the inorganic arsenicals ... sodium arsenate ... are cancelled and applications denied. [HSDB]
Using Disinfectants or Biocides [Category: Clean]
General Manufacturing InformationArsenic acid (H3AsO4), sodium salt (1:2): ACTIVE
応用分野
使用Mordant and assist in dyeing and printing, other arsenates, germicide.
調製方法
製造方法Sodium arsenate is obtained by roasting a mixture of arsenic oxide with sodium carbon ate and sodium nitrate in the presence of air.In addition, this compound can be easily obtained by calcining sodium arsenate(III) in the pres ence of air.
上流・下流製品情報
上流原料
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