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MSDS Material Safety Data Sheet
CAS

142-71-2

File Name: 142-71-2.asp

                              SIGMA-ALDRICH

Material Safety Data Sheet

Date Printed: 29/JUN/2005
Date Updated: 11/OCT/2004
Version 1.3
According to 91/155/EEC

Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.

1 - Product and Company Information

Product Name COPPER(II) ACETATE, 99.999%
Product Number 517453

Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)

2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
COPPER(II) ACETATE 142-71-2 205-553-3 None

Formula (C2H3O2)2Cu
Molecular Weight 181.64 AMU
Synonyms Acetate de cuivre (French) * Acetic acid, cupric
salt * Copper(2+) acetate * Copper(II) acetate *
Copper acetate (cu(C2H3O2)2) * Copper diacetate
* Copper(2+) diacetate * Crystallized verdigris
* Crystals of venus * Cupric acetate * Cupric
diacetate * Neutral verdigris * Octan mednaty
(Czech)

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Harmful if swallowed. Irritating to eyes, respiratory system and
skin. Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment.


4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.

AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures

EXTINGUISHING MEDIA
Suitable: Water spray. Carbon dioxide, dry chemical powder, or
appropriate foam.

SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.

METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.

STORAGE
Conditions of Storage: Keep tightly closed.

SPECIAL REQUIREMENTS: Store under inert gas. Moisture sensitive.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.

GENERAL HYGIENE MEASURES
Wash thoroughly after handling.

EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL LTEL 0.2 MG(CU)/M3
Remarks: fumes

PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.


ALDRICH - 517453 www.sigma-aldrich.com Page 2
Eye Protection: Chemical safety goggles.

9 - Physical and Chemical Properties

Appearance Physical State: Solid
Color: Blue
Form: Powder

Property Value At Temperature or Pressure

pH N/A
BP/BP Range N/A
MP/MP Range N/A
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density 6.9 g/l
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Stable: Stable.
Conditions to Avoid: Moisture.
Materials to Avoid: Strong oxidizing agents, Strong acids.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Copper oxide.

HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

11 - Toxicological Information

RTECS NUMBER: AG3480000

ACUTE TOXICITY

LD50
Oral
Rat
501 mg/kg
Remarks: Behavioral:Somnolence (general depressed activity).
Behavioral:Convulsions or effect on seizure threshold.



ALDRICH - 517453 www.sigma-aldrich.com Page 3
LD50
Intraperitoneal
Rat
14700 UG/KG
Remarks: Behavioral:Somnolence (general depressed activity).
Behavioral:Convulsions or effect on seizure threshold.

LD50
Subcutaneous
Rat
350 MG/KG
Remarks: Musculoskeletal:Joints. Tumorigenic:Active as
anti-cancer agent. Biochemical:Metabolism (intermediary): Effect
on inflammation or mediation of inflammation.

LD50
Intravenous
Rat
17100 UG/KG
Remarks: Behavioral:Somnolence (general depressed activity).
Behavioral:Convulsions or effect on seizure threshold.

LD50
Oral
Mouse
196 mg/kg
Remarks: Behavioral:Somnolence (general depressed activity).
Behavioral:Convulsions or effect on seizure threshold.

LD50
Intraperitoneal
Mouse
2500 UG/KG

LD50
Intravenous
Mouse
20 MG/KG
Remarks: Behavioral:Somnolence (general depressed activity).
Behavioral:Convulsions or effect on seizure threshold.

SIGNS AND SYMPTOMS OF EXPOSURE
Chronic copper poisoning is typified by hepatic cirrhosis, brain
damage and demyelination, kidney defects, and copper deposition
in the cornea as exemplified by humans with Wilson's disease. It
has also been reported that copper poisoning has lead to
hemolytic anemia and accelerates arteriosclerosis. Exposure can
cause: Gastrointestinal disturbances. Blood effects. To the best
of our knowledge, the chemical, physical, and toxicological
properties have not been thoroughly investigated.

ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: Material is irritating to mucous membranes and upper
respiratory tract. May be harmful if inhaled.
Ingestion: Harmful if swallowed.

TARGET ORGAN INFORMATION
Liver. Lungs.



ALDRICH - 517453 www.sigma-aldrich.com Page 4
CHRONIC EXPOSURE - REPRODUCTIVE HAZARD

Species: Rat
Dose: 40 MG/KG
Route of Application: Subcutaneous
Exposure Time: (7-10D PREG)
Result: Effects on Fertility: Other measures of fertility

12 - Ecological Information

N/A

ECOTOXICOLOGICAL EFFECTS
Test Type: LC50 Fish
Species: Cyprinus carpio
Time: 96 h
Value: 0.06 mg/l

Test Type: LC50 Fish
Species: Pimephales promelas (Fathead minnow)
Time: 96 h
Value: 0.14 mg/l

13 - Disposal Considerations

SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.

14 - Transport Information

RID/ADR
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s

IMDG
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required

IATA
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s
Inhalation Packing Group I: No
Technical Name: Required

15 - Regulatory Information



ALDRICH - 517453 www.sigma-aldrich.com Page 5
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: Xn N
Harmful. Dangerous for the environment.
R-PHRASES: 22 36/37/38 50/53
Harmful if swallowed. Irritating to eyes, respiratory system
and skin. Very toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment.
S-PHRASES: 26 36 60 61
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear suitable protective
clothing. This material and its container must be disposed of
as hazardous waste. Avoid release to the environment. Refer to
special instructions/safety data sheets.

SWITZERLAND
SWISS POISON CLASS: 3

16 - Other Information

WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.

DISCLAIMER
For R&D use only. Not for drug, household or other uses.




ALDRICH - 517453 www.sigma-aldrich.com Page 6

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