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HCID 24345作成日：2026年10月27日

ビスよう素酸鉛(II)

ビスよう素酸鉛(II) · よう素酸鉛(II) · LEAD IODATE · Lead(Ⅱ)iodate · lead diiodate · LEAD(II) IODATE · lead(2+),diiodate · LEAD(II) IODATE, 99.99%

https://huagongshe.com/ja/chemical/24345

識別子と物理属性

CAS No.	25659-31-8
分子式	HIO3
平均分子量	175.911 g/mol
単同位体質量	175.89704189 g/mol
SMILES	[O-][I+2]([O-])O
InChIKey	ICIWUVCWSCSTAQ-UHFFFAOYSA-N
PubChem CID	24345
ChEMBL	CHEMBL1161636
ChEBI	CHEBI:24857
EC No.	231-962-1
DTXSID	DTXSID2064812
現地名	ビスよう素酸鉛(II)

化学・物理的性質

XLogP	-0.3
極性表面積	54.4
水素結合供与体数	1
水素結合受容体数	3
回転可能結合数	0
重原子数	4
形式電荷	0
複雑度	46.2
物質分類	Toxic Gases & Vapors -> Acids, Inorganic
SpringerMaterials Properties	dielectric constant
密度	4.629 @25 °C6.5 g/mL at 25 °C(lit.)
Physical Description	Dry PowderColorless solid[Hawley] Colorless or light yellow powder[MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C[Ullmann]
融点	300 °C (dec.)(lit.)
外観・状態	白い斜方晶
色	white orthorhombic crystals, crystalline
溶解度	g/L 溶液 H2O: 0.0254 (25°C) [KRU93]
EPAの化学物質情報	Lead(II) iodate (25659-31-8)

化学的特性

white; -60 mesh with 99.9%-purity [CRC10] [CER91]

安全性と法規制

GHS 分類	DangerH272 (100%): May intensify fireoxidizer [Danger Oxidizing liquidsOxidizing solids]P210, P220, P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 50 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H302: Harmful if swallowed [Warning Acute toxicity, oral]
規制情報	Chemical: Iodic acid (HIO3)Iodic acid (HIO3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Iodic acid (HIO3) 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: 25-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/24252Iodic acid: Does not have an individual approval but may be used under an appropriate group standard
その他の安全情報	IMAP assessments - Iodic acid and selected salts: Human health tier II assessment
有害性の概要	Reacts vigorously with organic matterOxidizes iodide to iodine, sulfite to sulfate, and hydrogen sulfide to sulfur[Ullmann] Corrosive to skin and eyes[eChemPortal: ERMA] May cause fire on contact with combustible materialsA corrosive substance that can cause injury to the skin, eyes, and respiratory tractInhalation may cause chemical pneumonitis[MSDSonline]
Hazard Classes and Categories	Ox. Sol. 2 (100%)Acute toxicity (ingestion) - category 4
Protective Action Criteria (PAC)	1.5 [ppm]17 [ppm]100 [ppm]
有害作用	Dermatotoxin - Skin burns.
水環境危害等級（WGK）	3
TSCA 収載状態	TSCA listed

CAS No.

25659-31-8

分子式

HIO3

平均分子量

175.911 g/mol

単同位体質量

175.89704189 g/mol

SMILES

[O-][I+2]([O-])O

InChIKey

ICIWUVCWSCSTAQ-UHFFFAOYSA-N

PubChem CID

24345

ChEMBL

CHEMBL1161636

ChEBI

CHEBI:24857

EC No.

231-962-1

DTXSID

DTXSID2064812

現地名

ビスよう素酸鉛(II)

化学・物理的性質

XLogP

-0.3

極性表面積

54.4

水素結合供与体数

水素結合受容体数

回転可能結合数

重原子数

形式電荷

複雑度

46.2

物質分類

Toxic Gases & Vapors -> Acids, Inorganic

SpringerMaterials Properties

dielectric constant

密度

4.629 @25 °C6.5 g/mL at 25 °C(lit.)

Physical Description

Dry PowderColorless solid[Hawley] Colorless or light yellow powder[MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C[Ullmann]

融点

300 °C (dec.)(lit.)

外観・状態

白い斜方晶

色

white orthorhombic crystals, crystalline

溶解度

g/L 溶液 H2O: 0.0254 (25°C) [KRU93]

EPAの化学物質情報

Lead(II) iodate (25659-31-8)

化学的特性

white; -60 mesh with 99.9%-purity [CRC10] [CER91]

安全性と法規制

GHS 分類

DangerH272 (100%): May intensify fireoxidizer [Danger Oxidizing liquidsOxidizing solids]P210, P220, P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 50 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H302: Harmful if swallowed [Warning Acute toxicity, oral]

規制情報

Chemical: Iodic acid (HIO3)Iodic acid (HIO3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Iodic acid (HIO3) 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: 25-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/24252Iodic acid: Does not have an individual approval but may be used under an appropriate group standard

その他の安全情報

IMAP assessments - Iodic acid and selected salts: Human health tier II assessment

有害性の概要

Reacts vigorously with organic matterOxidizes iodide to iodine, sulfite to sulfate, and hydrogen sulfide to sulfur[Ullmann] Corrosive to skin and eyes[eChemPortal: ERMA] May cause fire on contact with combustible materialsA corrosive substance that can cause injury to the skin, eyes, and respiratory tractInhalation may cause chemical pneumonitis[MSDSonline]

Hazard Classes and Categories

Ox. Sol. 2 (100%)Acute toxicity (ingestion) - category 4

Protective Action Criteria (PAC)

1.5 [ppm]17 [ppm]100 [ppm]

有害作用

Dermatotoxin - Skin burns.

水環境危害等級（WGK）

TSCA 収載状態

TSCA listed