Agent Name

Cupric carbonate, basic

CAS Number

12069-69-1

Formula

C-O3.H2-O2.2Cu

Major Category

Metals

Synonyms

(Carbonato(2-))dihydroxydicopper; (Carbonato)dihydroxydicopper; Basic copper carbonate; Basic copper(II) carbonate; Basic cupric carbonate; Carbonic acid, copper complex; Carbonic acid, copper(2+) salt (1:1), basic; Cheshunt compound; Copper carbonate hydroxide; Copper carbonate, basic; Copper hydroxide carbonate; Copper, (carbonato)dihydroxydi-; Cupric carbonate hydroxide (CuCO3.Cu(OH)2); Cuprum carbonicum; Dicopper dihydroxycarbonate; Dikupfer(II)-carbonat-dihydroxid; Kop karb; Kupfer(II)-carbonat, basisches; Copper(II) carbonate copper(II) hydroxide (1:1); Copper, (mu-(carbonato(2-)-O:O'))dihydroxydi-; Copper, (mu-(carbonato(2-)-kappaO:kappaO'))dihydroxydi-; Copper hydroxy carbonate (Cu2(OH)2CO3); Copper(II) carbonate hydroxide; [ChemIDplus] mu-(Carbonato(2-)-kappaO:kappaO'))dihydroxydicopper; Cupric subcarbonate; Bremen blue; Bremen green; [Merck Index] Malachite; Mineral green; Artificial malachite; Carbonatodihydroxydicopper; Kop; Karb; [EPA OHM/TADS] UN2775

Category

Metals, Inorganic Compounds

Description

Green to blue or dark green solid; [Merck Index] Dark green powder; [Sigma-Aldrich MSDS]

Sources/Uses

Found as the mineral malachite; Used as a seed treatment fungicide, in pyrotechnics, as pigment for paints and varnishes, in animal and poultry feeds, for sweetening petrol sour crude stock, to make other copper salts, and as a veterinary nutritional factor; [Merck Index] Active product registrations in the US for use as a wood preservative, to make antifouling coating products for boats and wood preservatives, as a post-harvest wrap for pears (prevents scald), and aquatic algaecide/herbicide; [NPIRS] Used as a catalyst, mouse repellent, astringent in pomades, and antidote for phosphorus poisoning; Also used in insulating materials, canvas belting, and rubber curing; [EPA OHM/TADS]

Comments

Oral LD50 (rat) of 159 mg/kg also reported; Causes somnolence, diarrhea, and normocytic anemia in oral lethal-dose studies of rats; [RTECS] Acute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1297-1302] A skin and strong eye irritant; Harmful by ingestion; [Sigma-Aldrich MSDS] See "Copper(II) carbonate."

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

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Copper based pesticide, solid, toxic."

Adverse Effects
Anemia

Anemia, Hemolytic

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Methemoglobinemia

Methemoglobinemia, Secondary

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: