Bronze

SYNONYMS: Silicon, bronze, leaded bronze, aluminum bronze

APPEARANCE AND ODOR: Red-gold metallic solid odorless

USES: Primary metal

COMPOSITION / INFORMATION ON INGREDIENTS

 

NAME

 

CAS No.

 

LD 50

 

LC 50

EC DIRECTIVE

Symbol/R phases

 

Conc

Base Metal
           

Copper

7740-50-8

unknown

unknown

none

79 – 99 %

Alloying Elements

Nickel

7440-02-0

9000mg/kg

unknown

Xn              40-43

0 – 14 %

Aluminum

7429-90-5

unknown

unknown

None

0 – 14 %

Silicon

7440-21-3

3160mg/kg

unknown

None

< 4%

Manganese

7439-96-5

9000mg/kg

unknown

None

< 4%

Iron

7439-89-6

unknown

unknown

none

< 5 %

Cobalt

7440-48-4

6170mg/m3

unknown

Xn              42-43

< 2 %

Tin

7440-31-5

unknown

unknown

None

< 1 %

Zinc

7440-66-6

unknown

unknown

None

< 1 %

Leaded Alloys

Lead

7439-92-1

unknown

unknown

not classified

<1%

Note: Bronze will be comprised of various combinations of the elements shown above, in addition to other alloying elements That may be present in minute quantities. No permissible exposure limits (PEL) or threshold limit values (TLV) exist for them. Values shown are applicable to component elements.

 HAZARDS IDENTIFICATION

 Dust from grinding welding cutting etc. may present a lead contamination hazard

FIRST AID MEASURES

  In case of dust exposure:

  • Inhalation: In case of discomfort, remove to a ventilated area. Consult a physician
  • Skin Contact: Wash skin thoroughly with soap and water
  • Eye Contact: Flush thoroughly with water; if stinging persists, see a physician immediately.

FIRE FIGHTING MEASURERS

Extinguishing Media: The product in the solid state presents no fire or explosion hazard

Hazardous Combustion Products: Not applicable

ACCIDENTAL RELEASE MEASURES

Not applicable

HANDLING AND STORAGE

Handling Precautions: Follow the recommendations in ANSI Z49.1, Safety in welding and cutting

Storage Conditions: Not applicable

EXPOSURE CONTROLS

 

Exposure Limits

 

     ACGIH

TWA                   STEL

           OSHA (PEL)

       TWA                     Ceiling                     

 

Aluminum tot. dust

10 mg/m3             none                    

15 mg/m3                     none

-fume,powder

5mg/m3                none

5 mg/m3                       none

Cobalt metal/dust/

0.05 mg/m3          none

0.1 mg/m3                    none

Lead inorg.

0.15 mg/m3          none

0.05 mg/m3                  none

Silicon (tot. dust)

10 mg/m3             none

15 mg.m3                     none

-Resp dust

none                     none

5 mg/m3                       none

Tin metal & oxide

2 mg/m3               none

2 mg/m3                       none

Nickel metal

1.0 mg/m3            none

1 mg/m3                       none

Iron oxide

none                     none

10 mg/m3                     none

Copper (fume)

0.2 mg/m3            none

0.1 mg/m3                    none

- dust

1.0 mg/m3           none

1.0 mg/m3                    none

Zinc oxide fume

5 mg/m3              10 mg.m3

5 mg/m3                       none

Tot. dust

10 mg/m3            none

15 mg/m3                     none

Manganese (dust)

5 mg/m3              none

5 mg/m3                       5 mg/m3-ceiling

Fumes

1 mg/m3              3 mg/m3

5 mg/m3                       5 mg/m3

 

 

 

   Note: Bronze will be comprised of various combinations of the elements shown above, in addition to other alloying elements That may be present in minute quantities. No permissible exposure limits (PEL) or   threshold limit values (TLV) exist for them. Values shown are applicable to component elements.

PHYSICAL AND CHEMICAL PROPERTIES

Ph: N/A                                                                   Flashpoint: N/A

Boiling point: N/A                                                  Auto ignition temp: N/A

Melting Point: >1700C                                           Lower Flammable limit: N/A

Vapor Pressure: N/A                                              Higher flammable limit: N/A

Evaporation rate: N/A                                            Explosive properties: N/A

Relative density (water=1); App. 7                        NFPA Fire Code:  0

Water Solubility: N/A                                             Oxidizing properties: N/A

Partition coefficient (n-octanol/water): N/A           Odor threshold:  N/A

STABILITY AND REACTIVITY

Stable (yes / no):  Yes

Conditions and Materials to Avoid:  Mercury, ammoniac, acetylene, acids, bases, oxidizing agents

Hazardous Decomposition Products: Metallic dust or fumes may be produced during welding, burning, grinding or machining. Reaction with evolution of hydrogen: On contact with acids.

TOXICOLOGICAL INFORMATION

Routes of Exposure:     Inhalation:  Yes           Ingestion:  No

                                        Eye contact:  No         Skin contact:  No      Skin Absorption:  No

Acute Effects:

In case of dust exposure;

Inhalation: Irritation of the respiratory tract and eyes. High concentrations of freshly formed copper oxides and fumes can produce symptoms of metal fume fever.

Skin Contact: N/A

Eye Contact: N/A

Ingestion: N/A

Chronic Effects;

This product may contain lead. The following effects may occur;

Lead compounds bioaccumulate. The most frequent chronic effects are anemia, kidney and central nervous damages. Medical surveillance should be undertaken to prevent high blood lead levels. Inhalation of lead oxide fumes can cause abdominal pains, constipation, headaches, weakness, muscle pains, loss of appetite, nausea and vomiting. Nickel fumes cause severe pneumonitis and/or sensitization.

Medical conditions aggravated by exposure to product: Not determined

ECOLOGICAL INFORMATION

No information available

DISPOSAL CONSIDERATIONS

Recycle if possible. Dispose of waste in accordance with Federal, State or local regulations

TRANSPORTATION INFORMATION

 This product is not classified as dangerous under Transportation Regulations, for all road, rail, sea, or air transport (no UN number)

REGULATORY INFORMATION

WHMIS CLASSIFICATION (Canada): D2 Material causing other toxic effects

EEC CLASSIFICATION (Europe): Not classified

Warning symbol:

None

Warning word:

None

Risk phrases:

None

Safety phrases:

None

USA REGULATIONS

This product contains lead. Any process resulting exposure to more than 0.5 ug/ of metal dust

may result in a daily dose of lead of over 0.5 ug/ day, the dose above which the “California Safe Drinking Water and Toxic Enforcement Act” of 1986 requires notification. Refer to the appropriate regulation notification wording guidelines.

Section 313 Supplier Notification

This product may contain the following toxic chemical (s) subject to the reporting requirements of section 313 of the emergency Planning and community Right to know Act of 1986

 (Title III of SARA) and of 40 CFR 372 

Chemical Name CAS #
Manganese 7439-96-5
Nickel 7440-02-0
Copper 7440-50-8
Lead 7439-92-1

 OTHER INFORMATION

 Abbreviations:

CAS # = Chemical Abstract Service Registry Number;  EC = European Community;

LD 50 = Lethal Dose 50%;   LC 50 = Lethal Concentrations; LCLo = Lowest published lethal concentration

OSHA = Occupational Health and Safety Act

PEL = Permissible exposure limit 

Reason for modification:  Standardization according to ISO specifications               

DISCLAIMER

 NOTE *The information contained in this MSDS is believed to be correct as obtained from sources we believe to be reliable. However, no representations, guarantees or warranties of any kind have been 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. The user assumes all risks and liability resulting from 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 use and remain at its sole discretion. This product may be coated with an oil-based product or some other such type of substance, or rust preventive before shipping and the MSDS sheet is not included with this MSDS sheet.

No chemical analysis has been performed by or for our company with respect to the items listed in this MSDS. Our various suppliers have furnished the data supplied. Compliance with all applicable federal, state and local laws and regulations remains with 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 described herein are required. Db