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MSDS Material Safety Data Sheet
CAS

7429-90-5
7440-36-0
7440-38-2
7440-41-7
7440-43-9
7440-47-3
7440-48-4
7440-50-8
1309-37-1
7439-92-1
7439-96-5
1309-48-4
7440-02-0
7723-14-0
7440-21-3

File Name: camlee_com---msds-cda172.asp
                       MATERIAL SAFETY DATA SHEET
CAMBRIDGE-LEE INDUSTRIES, INC.
500 Lincoln Street, Boston, MA 02134
(617) 783-3100 Toll Free 800-225-4378

SECTION I. MATERIAL IDENTIFICATION

Beryllium Copper: CDA 172
ASTM B-196
97.7% Cu, 1.9% Be, .4% Pb



SECTION II. HAZARDOUS INGREDIENTS

Copper/Copper Alloys ACIH-TLV 8-
OSHA-PEL 8- ACGIH
Cas Number HR TWA
hr TWA (1984-85)
(1984-85)

10 mg/m3
(Dust)
20 mg/m3
Aluminum (7429-90-5) (Fume) - 5 mg/m3
0.5 mg/m3 0.5 mg/m3
Antimony (7440-36-0) -
3 3
Arsenic (7440-38-2) 0.5 mg/m 0.02 mg/m -
3 3
Beryllium (7440-41-7) 0.002 mg/m 0.002 mg/m -
0.2 mg/m3 0.05 mg/m3 0.2 mg/m3
(Dust)
Cadmium (7440-43-9) (Fume) 0.1 mg/m3 0.05 mg/m3* -
1 mg/m3 0.5 mg/m3
Chromium (7440-47-3) -
3 3
Cobalt (7440-48-4) 0.1 mg/m 0.1 mg/m -
1 mg/m3 1 mg/m3 2 mg/m3
(Dust)
Copper (7440-50-8) (Fume) 0.1 mg/m3 0.2 mg/m3 -

5 mg/m3
10 mg/m3 10 mg/m3
Iron (1309-37-11) (As iron oxide fume)

0.05 mg/m3 0.15 mg/m3 0.45mg/m3
Lead (7439-92-1)
5 mg/m3 5 mg/m3
(Dust) -
Manganese (7439-96-5) (Fume) - 1 mg/m3 3 mg/M3
15 mg/m3 1.0 mg/m3
Magnesium (1309-48-4) -
3 3
Nickel (7440-02-0) 1 mg/m 1 mg/m -
0.01 mg/m3 0.01 mg/m3 0.03 mg/m3
Phosphorus (7723-14-0)
20 mg/m3
Silicon (7440-21-3) (1) (2)
0.01 mg/m3 0.1 mg/m3
Silver (7440-22-4) -
13 mg/m3 5 mg/m3 5/10 mg/m3
Sulphur (Yellow) (7704-34-9)
0.1 mg/m3 0.01 mg/m3
Tellurium (13494-80-9) -
3 3
4 mg/m3
Tin (7440-31-5) 2 mg/m 2 mg/m
(2)
(Dust) 5 mg/m3
- (As zinc -
Zinc (1314-13-2) (Fume) 5 mg/m3 oxige) 10 mg/m3
5 mg/m3 5 mg/m3 10 mg/m3
Zirconium (7440-67-7)
*Ceiling Limit
Note: antimony trioxide, beryllium, cadmium, chromium, cobalt-chromium alloy, lead and nickel have been identified as potential
human carcinogens.
SECTION III. PHYSICAL DATA
Physical Form: Solid Specific Gravity; 7.45-9.00
Boiling Point: Not Applicable Vapor Density Not Applicable
Approximately 12900-22600
Freeze-Melt Temperature Solubility in H20: Insoluble
Vapor Pressure: Not Applicable Color:
Evaporation Rate: Not applicable Odor: None


SECTION IV.FIRE AND EXPLOSION DATA
Flash Point:(Method Used) Not Applicable Extinguishing Media: See Below Flammable Limits (LEL-UEL) Not Applicable Auto Ignition Temp.
- Not Applicable Special Fire Fighting Procedures: Solid massive form is not combustible. Fire and explosion hazards are moderate when
material is in the form of dust and exposed to heat, flames, chemical reaction, or in contact with powerful oxidizers. Use special mixtures of dry
chemical or sand. Firefighters should wear self-contained breathing apparatus and protective clothing.

SECTION V.REACTIVITY DATA
Stability: Stable
Conditions to Avoid: Stable under normal conditions of transport and storage. Molten metal may react violently with water.
Incompatibility (Materials to Avoid): Acids, bases, and oxidizers.
Hazardous Decomposition or Byproducts: Metal fume.
Hazardous Polymerization: Will not occur.

SECTION VI. HEALTH HAZARD DATA
Permissible Exposure Limits and Threshold Limit Values. See Section II.
Route(s) of Entry: Inhalation: Yes; Skin: Yes; ingestion: Yes
Under normal handling conditions the solid alloy presents no significant health hazards. Processing of the alloy by dust or fume producing
operation (grinding, buffing, heating, welding, etc.) may result in the potential for exposure to airborne metal particulates or fume. The exposure
levels in Section II are relevant to fumes and dust.
Effect of Overexposure:

Aluminum-- Exposure to aluminum fume and dust has been associated with lung disease, but this effect is probably due to simultaneous silica
exposure.

Antimony-- Antimony and its compounds are irritating to the skin and mucous membranes and are systemic poisons. Effects are reported to
include metallic taste in the mouth, vomiting, and colic, loss of appetite and weight, and diarrhea. In addition, dermatitis may result which starts
as an inflammation of the hair follicles and can progress through pus formation and sloughing to leave a contracted scar.

Beryllium-- Inhalation of beryllium dust or fume may result in the production of an acute or chronic systematic disease depending upon the level
of exposure and the beryllium compound involved. Glaucomatous lesions of the skin, liver, kidneys, spleen, and lymph nodes have been
reported.
Damage to the lungs may be in both the acute and chronic forms, both of which have similar signs and symptoms. These include a relatively
non-productive cough, progressive difficulty in breathing, loss of appetite, and loss of weight. The major difference between the two is the
suddenness of onset and the rate of progression. In the acute form, the symptoms appear in several hours to several weeks after exposure and
there is usually rapid progression of signs including dyspnea, anorexia, and extreme weight loss. Complete recovery is possible and fatal cases
usually result from acute heart disease, in chronic beryllium disease, the symptoms or signs are generally delayed in their onset and are persistent
in nature. They may be triggered or aggravated by stresses such as pregnancy, respiratory infection, and thyrotoxicosis. In the progression of the
disease, symptoms of heart disease may occur.
Beryllium is also a suspected human carcinogen and has caused cancer in laboratory animals.


Cadmium-- Inhalation of cadmium fumes may cause respiratory irritation with a sore, dry throat and a metallic taste followed by a cough, chest
pain and difficulty in breathing. Bronchitis, pneumonitis, and pulmonary edema have been reported as a result of the irritation of the fumes.
Headaches, dizziness, loss of appetite, and weight loss have also been reported and the liver, kidneys and bone marrow may be injured by the
presence of the metal.
Continue exposure to lower levels of cadmium has resulted in chronic poisoning characterized by irreversible lung damage and kidney damage.
A singe, high-level exposure to cadmium can cause severe lung irritation, which may be fatal. Cadmium is also a suspected human carcinogen.
Chromium-- In some workers, chromium compounds act as allergens and may cause dermatitis and may also produce pulmonary sensitization.
Chromic acid and chromates have a direct corrosive effect on the skin and the mucous membranes of the upper respiratory tract. Although rare,
there may be the possibility of skin and pulmonary sensitization.
IARC has determined that there is sufficient evidence of increased lung cancer among workers in the chromate-producing industry and possible
chromium alloy workers. This determination is supported by sufficient evidence for carcinogenicity to animals and possible mutagenicity testing
of Cr VI compounds.

Cobalt-- Cobalt has been reported as causing hyper sensitization type dermatitis in individuals who are susceptible. Animal studies have shown
that particulate cobalt is an acutely irritating substance and industrial exposures, possibly combined with small amounts of silica, are reported
capable of producing serious pneumoconiosis, which is initially of an insidious nature.

Copper-- Melting, grinding, cutting of copper may produce fumes or dust exposure and breathing these fumes or dust may present potentially
significant health hazards. Fumes of copper may cause metal fume fever with flu-like symptoms and skin and hair discoloration. While
industrial dermatitis has not been reported, keratinization of the hands and the soles of the feet have been reported. Systemically as well, copper
dust and fume cause irritation of the upper respiratory tract, metallic taste in the mouth, and nausea.

Iron-- The inhalation of iron oxide fumes or dust may cause an apparent benign pneumoconiosis, which is called siderosis. This disease is
reported to be disabling, but makes x-ray diagnosis of other lung conditions difficult or impossible.

Lead-- Short term exposure: Lead is an accumulative poison. Inhalation effects of exposure to fumes or dust of inorganic lead may not develop
quickly. Symptoms may include decreased physical fitness, fatigue, sleep disturbance, headache, aching bones and muscles, constipation,
abdominal pains, and decreasing appetite. The effects are reversible and complete recovery is possible. Inhalation of large amounts of lead may
lead to seizures, coma, and death.

Lead-- Long term exposure: Long-term exposure can result in a buildup of lead in the body and more severe symptoms. These include anemia,
pale skin, a blue line at the gum margin, decreased handgrip strength, abdominal pain, severe constipation, nausea, vomiting, and paralysis of the
wrist joint. Prolonged exposure may also result in kidney damage. If the nervous system is affected, usually due to very high exposures, the
resulting effects include severe headache, convulsions, coma, delirium, and death. Alcohol ingestion and physical exertion may bring on
symptoms. Continued exposure can result in decreased fertility and/or increased chances of miscarriage of birth defects.

Manganese-- Chronic manganese poisoning may result from inhalation of dust of fume. The central nervous system is the chief site of the
injury. Chronic manganese poisoning is not a fatal disease although it is extremely disabling. Some individuals may be hyper susceptible to
manganese. Freshly formed manganese fume has caused fever and chills similar to metal fume fever.

Nickel-- The most common ailment arising from contact with nickel or its compounds is an allergic dermatitis known as "nickel itch" which
usually occurs when the skin is moist. Generally nickel and most salts of nickel do not cause systemic poisoning, but nickel has been identified
as a suspected carcinogen.

Silicon-- Accumulation in lungs may be responsible for benign pneumoconiosis, but is not considered to be responsible for pulmonary functional
impairment or respiratory symptoms.

Tin-- The inhalation of inorganic tin fumes or dust may cause an apparent benign pneumoconiosis called stannosis, which is reported not to be
disabling.

Zinc (as Oxide)--Zinc is very low in toxicity but inhalation of fumes may cause "metal fume fever" Onset of symptoms may be delayed 4-12
hours and include irritation of the nose, mouth and throat, cough, stomach pain, headache, nausea, vomiting, metallic taste, chills, fever, pains in
the muscles and joints, thirst, bronchitis or pneumonia and a bluish tint to the skin. These symptoms go away in 24-48 hours and leave no effect.

Note: Antimony trioxide, beryllium, cadmium, chromium, cobalt-chromium alloy, lead and nickel have been identified as potential human
carcinogens.

Emergency First Aid Procedures:
Eye Contact Flush well with running water to remove particulate. Get medical Attention.
Skin Contact Vacuum off excess dust. Wash well with soap and water.
Inhalation Remove to fresh air. Get medical attention.
Ingestion Seek medical attention if large quantities of material have been ingested.
SECTION VII. PRECAUTIONS FOR SAFE HANDLING OR USE

Steps to be Taken in Case Material is Released or Spilled: No special precautions are necessary for spills of bulk material. If large quantities
of dust are spilled, remove by vacuuming or wet sweeping to prevent heavy concentration of airborne dust. If liquids (acids or bases) containing
solubilized metal are spilled evacuate unprotected personnel from area, Absorb liquid by means of vermiculite, dry sand or similar material.
Follow federal, state and local regulations concerning the disposal of waste.
Waste Disposal Method: Dispose of in accordance with federal, state, and local regulations, Cleanup personnel should wear respirators and
protective clothing. Ventilate area of release.
Precautions to be Taken in Handling and Storing: Store material away form incompatible materials and keep dust from sources of ignition.
Other Precautions: See all other sections of this MSDS.


SECTION VIII. CONTROL MEASURES

Respiratory Protection: If exposure above the PEL or TLV, NIOSH approved respirator for fume or dust, dependent upon the source of
airborne contaminant.
Ventilation: Required if dust or fume created in handling or working on this material.
Local Exhaust: Required if dust of fume created in handling or working on this material.
Mechanical (general): As above to reduce airborne dust of fume levels.
Protective Gloves: Required for melt, grind, cut or weld operations. Select glove approved for the specific operation.
Eye Protection: Required for melt, grind, cut, or weld operations. Minimum requirement of safety glasses with side shields for these operations.
Melting and welding may required special eye protection including face shields and specially tinted glass. Grinding operations may also require
face shields.
Other Protective Clothing or Equipment: As required for the work done on or with the metal.
Work/Hygiene Practices: As required for the work done with lead bearing materials. Meet requirements of the OSHA lead standard where
necessary. Always evaluate the jobs done on this product in accordance with OSHA or relevant state, federal, or local standards.

IMPORTANT


LIABILITY DISCLAIMER

The information contained in this Material Safety Data Sheet (MSDS) is believed to be correct as it was obtained
from sources we believe are reliable. However, no representations, guarantees or warranties of any kind are made
as to its accuracy, suitability for particular applications, hazards connected with the use of the material, or the
results to be obtained from the use thereof. User assumes all risk and liability of any use, processing or handling of
any material, variations in methods, conditions and equipment used to store, handle, or process the material and
hazards connected with the use of the material are solely the responsibility of the user and remain at his sole
discretion.

Compliance with all applicable federal, state, and local laws and regulations remains the responsibility of the user,
and the user has the responsibility to provide a safe work place to examine all aspects of its operation and to
determine if or where precautions, in addition to those describe herein, are required.

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