Agent Name

Copper(II) hydroxide

Alternative Name

Cupric hydroxide

CAS Number

20427-59-2

Formula

Cu-H2-O2

Major Category

Metals

Synonyms

Blue Copper; Blue Shield; Blue Shield DF; Champ; Champ Formula II; Comac Parasol; Copper blue; Copper dihydroxide; Copper hydroxide (Cu(OH)2); Copper(2+) hydroxide; Cupravit Blue; Cupravit blau; Cupric Hydroxide Formulation Grade Agricultural Fungicide; Cupric hydroxide; Cuzin; Funguran OH; Hydrocop "T"; KOP Hydroxide; KOP Hydroxide WP; Kocide; Kocide 101; Kocide 101PM; Kocide 2000; Kocide 220; Kocide 404; Kocide Copper Hydroxide Antifouling Pigment; Kocide Cupric Hydroxide Formulation Grade; Kocide DF; Kocide LF; Kocide SD; Kuprablau; Nu-Cop; Parasol; Spin Out FP; Technical Hydrox; Wetcol; [ChemIDplus]

Category

Metals, Inorganic Compounds

Description

Blue to green solid; [HSDB] Insoluble in water; Decomposes to Copper (II) oxide in hot water; [Ullmann]

Sources/Uses

Used to make rayon, battery electrodes, fungicides/insecticides, and other copper salts; Also used as a dye mordant, paper colorant, pigment, feed additive, and catalyst; [Merck Index]

Comments

Toxic after ingestion or inhalation; [Hawley] A skin, eye, and respiratory tract irritant; [MSDSonline] Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1259] See "Copper."

Exposure Assessment
TLV (ACGIH)

1 mg/m3, as Cu

PEL (OSHA)

1 mg/m3, as Cu

MAK

0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds)

IDLH (NIOSH)

100 mg/m3, as Cu

Adverse Effects
Anemia

Anemia, Hemolytic

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Methemoglobinemia

Methemoglobinemia, Secondary

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: