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硒酸

CAS 7783-08-6H2O4SeMW 144.98

硒酸(CAS 7783-08-6):分子式 H2O4Se、分子量 144.98;类别 有机化学品。

产品描述

硒酸(CAS 7783-08-6)是一种有机化学品原料。其分子式 H2O4Se 由 2 个氢、4 个氧、1 个硒 组成。 分子量约为 144.98。公开物性数据显示其熔点约 70、沸点约 260 °C (decomposes)、LogP 约 -1.6279。作为化工品采购代理与分销渠道,我们可在国内及跨境渠道为硒酸寻源比价,并安排小批量试样与批次采购;下单前提供完整 COA、质检报告与合规文件,验收以批次 COA 为准。

规格参数

CAS号7783-08-6
分子式H2O4Se
分子量144.98
熔点70
沸点260 °C (decomposes)
LogP-1.6279
应用领域Used to make selenates by reaction with metal oxides or hydroxides、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation
类别有机化学品

用途与场景

登记用途:Used to make selenates by reaction with metal oxides or hydroxides、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation。

采购档案

这个产品是什么

硒酸 是一种以碳骨架为基础的有机化合物,登记 CAS 号为 7783-08-6,分子式 H2O4Se(分子量 144.98),归属于有机化学品大类化工原料。

识别信息

登记 CAS 号:7783-08-6

其分子式 H2O4Se 由 2 个氢、4 个氧、1 个硒 组成。

别名/同义词:硒酸 · Selenic acid

所属分类:有机化学品

常见问题

硒酸 的 CAS 号是多少?

硒酸 的 CAS 登记号为 7783-08-6。

硒酸 的分子式与分子量是多少?

分子式 H2O4Se,分子量 144.98。

硒酸 还有哪些别名?

别名/同义词:硒酸、Selenic acid。

硒酸 的登记用途是什么?

登记用途:Used to make selenates by reaction with metal oxides or hydroxides、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation。

硒酸 属于哪个分类?

所属分类:有机化学品。

如何在 591daili.cn 采购 硒酸?

请在联系页面提交产品名称、CAS 号与数量,我们作为采购代理在国内及跨境渠道为您寻源比价,安排试样与批次采购,下单前提供 COA 与合规文件。

包装与单证

包装按订单确认,从实验室小包装到吨袋大货,随订单安排而非在页面上写死。每批随货附 COA 分析证书,可另提供 MSDS;若终端用途带有法规限度(食品接触、药品或化妆品),请在询价时说明执行标准,等级按该标准确定。

PubChem 公开数据

硒酸(CAS 7783-08-6)的公开数据库记录,列此仅供独立核对。

危险化学品分类与危害说明

Reported hazard statementsH301, H331 (86.7%), H315 (86.7%), H318 (88.9%), H373 (97.8%), H400 (97.8%), H410 (97.8%), H370

H301+H331 (86.7%): Toxic if swallowed or if inhaled [Danger Acute toxicity, oral; acute toxicity, inhalation]

H301 (97.8%): Toxic if swallowed [Danger Acute toxicity, oral]

物理形态与操作说明

  • Selenic acid appears as a white crystalline solid. Very corrosive to skin, eyes and mucous membranes. Corrosive to metal. Toxic by skin absorption and by ingestion.
  • Highly deliquescent solid; [Merck Index] White solid; [HSDB] Slightly yellow-green liquid; [MSDSonline] mp = 59.9 deg C; [Ullmann]
  • White solid
  • Hexagonal colorless prisms
  • Decomposes
  • Soluble

公开数据库收录的理化数据

沸点260 °C (decomposes)
熔点70
熔点58 °C
溶解度1300 g in 100 mL water at 30 °C
LogP-1.6279
Dissociation ConstantspKa1 = 1.7

这个物质在各数据库里的编号

CAS Registry Number7783-08-6
PubChem CID1089
分子式H2O4Se
IUPAC 名称selenic acid
UNII(FDA)HV0Y51NC4J

数据库记载的用途

  • Used to make selenates by reaction with metal oxides or hydroxides; [Ullmann]
  • Added to chromium-plating baths to improve corrosion protection from pitting, blistering, and rusting, especially of plated automobile articles exposed to salt in the North American snow belt.
  • Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation; ... by treating calcium selenate with cadmium oxalate and hydrogen sulfide; ... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn; ... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water.
  • Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine, chloric acid, ozone, or anodic oxidation.
  • Indicated for use as a nutritional supplement.
  • Naturally occurring or synthetic substances that inhibit or retard oxidation reactions. They counteract the damaging effects of oxidation in animal tissues.

它在各数据库里的别名

SELENIC ACID; 7783-08-6; HV0Y51NC4J; UN1905; Acid, Selenic; Selenate, Calcium; Selenate, Ammonium; Selenate, Magnesium; Selenate, Potassium; Selenate, Monosodium; CHEBI:18170; H2SeO4; selenic acid, calcium salt; selenic acid, ammonium salt; selenic acid, magnesium salt; selenic acid, potassium salt

计算机算出的分子描述符

分子量144.98
氢键供体数2
氢键受体数4
可旋转键数0
精确质量145.91183
单同位素质量145.91183
拓扑极性表面积74.6
重原子数5
形式电荷0
复杂度81.3

数据库摘要

Selenic acid · CAS 7783-08-6 · H2O4Se. UNII HV0Y51NC4J. 沸点: 260 °C (decomposes); 熔点: 70; 熔点: 58 °C.

数据来源:PubChem / Wikidata;与随货 COA 不一致时以 COA 为准。

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