Material Safety Data Sheet
Lead chromate
ACC# 12580
Section 1 - Chemical Product and Company Identification |
MSDS Name: Lead chromate
Catalog Numbers:
AC612381000, L63-100, L65-100
Synonyms:
Chromic acid, lead(2+) salt; Chrome green; Chrome yellow.
Company Identification:
Fisher Scientific
1 Reagent Lane
Fair Lawn, NJ 07410
For information, call: 201-796-7100
Emergency Number: 201-796-7100
For CHEMTREC assistance, call: 800-424-9300
For International CHEMTREC assistance, call: 703-527-3887
Section 2 - Composition, Information on Ingredients
|
CAS# |
Chemical Name |
Percent |
EINECS/ELINCS |
7758-97-6 |
Lead chromate |
100 | 231-846-0 |
Section 3 - Hazards Identification
|
EMERGENCY OVERVIEW
Appearance: yellow to yellow-orange crystals.
Danger! Strong oxidizer. Contact with other
material may cause a fire. May cause harm to the unborn child.
Causes eye, skin, and respiratory tract irritation. Cancer hazard.
Possible risk of impaired fertility. May cause kidney damage. May
cause central nervous system effects. Dangerous for the environment.
Target Organs: Kidneys, central nervous system,
lungs, blood forming organs, reproductive system, nerves.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea.
Many lead compounds can cause toxic effects in the blood-forming
organs, kidneys and central nervous
Inhalation:
Causes respiratory tract irritation. May cause effects similar to
those described for ingestion.
Chronic:
May cause cancer in humans. Repeated exposure may cause
sensitization dermatitis. Chronic exposure to lead may result in
plumbism which is characterized by lead line in gum, headache, muscle
weakness, mental changes. Laboratory experiments have resulted in
mutagenic effects. Lead salts have been reported to cross the
placenta and induce embryo- and feto- mortality.
Section 4 - First Aid Measures
|
Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Immediately flush skin with plenty of water for at
least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Never give anything by mouth to an
unconscious person. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If breathing
is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth
resuscitation. If breathing has ceased apply artificial respiration
using oxygen and a suitable mechanical device such as a bag and a
mask.
Notes to Physician:
Persons with asthma, allergies, and known sensitization to chromic
acid or chromates may be at increased risk from exposure to this
product. Treat symptomatically and supportively.
Antidote:
The use of d-Penicillamine as a chelating agent should be determined
by qualified medical personnel. The use of Calcium disodium EDTA as a
chelating agent should be determined by qualified medical personnel.
The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating
agent should be determined by qualified medical personnel.
Section 5 - Fire Fighting Measures
|
General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Combustion generates toxic fumes. Oxidizer. Greatly
increases the burning rate of combustible materials. May accelerate
burning if involved in a fire.
Extinguishing Media:
Use water only! Cool containers with flooding quantities of water
until well after fire is out. For large fires, flood fire area with
water from a distance. Do NOT use dry chemicals, CO2, Halon or
foams.
Flash Point: Not applicable.
Autoignition Temperature: Not applicable.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating:
(estimated) Health: 2; Flammability: 3; Instability: 0; Special Hazard: OX
Section 6 - Accidental Release Measures
|
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Avoid generating dusty conditions. Provide ventilation. With a clean
shovel, carefully pick up the material and place it into a clean dry
container and cover for disposal. Keep combustibles (wood, paper,
oil, etc.,) away from spilled material.
Section 7 - Handling and Storage
|
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use only in a well-ventilated area. Minimize dust
generation and accumulation. Avoid contact with eyes, skin, and
clothing. Empty containers retain product residue, (liquid and/or
vapor), and can be dangerous. Keep container tightly closed. Avoid
ingestion and inhalation. Keep from contact with clothing and other
combustible materials. Do not pressurize, cut, weld, braze, solder,
drill, grind, or expose empty containers to heat, sparks or open
flames.
Storage:
Do not store near combustible materials. Store in a tightly closed
container. Store in a cool, dry, well-ventilated area away from
incompatible substances.
Section 8 - Exposure Controls, Personal Protection
|
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
Chemical Name |
ACGIH |
NIOSH |
OSHA - Final PELs |
Lead chromate
|
0.012 mg/m3 TWA (as Cr); 0.05 mg/m3 TWA (as Pb)
|
0.050 mg/m3 TWA (as Pb) (listed under Lead compounds).0.001 mg/m3 TWA (as Cr) (listed under Chromates).15 mg/m3 IDLH (as Cr(VI)) (listed under Chromates).
|
50 ęg/m3 TWA (as Pb) (listed under Lead, inorganic compounds).5 ęg/m3 TWA (listed under Chromium (VI) compounds).1 mg/m3 TWA (as Cr) (listed under Chromium insoluble salts).0.1 mg/m3 Ceiling (as Cr
O3, applies to any operations or sectors for which the H exavalent Chromium standard [29 CFR 1910.1026] is stayed or is otherwise not in effect) (listed under Chromates).50 ęg/m3 TWA (as Pb); 30 ęg/m3
Action Level (as Pb. Poison - see 29 CFR 1910.10 25) (listed under Lead, inorganic compounds).
|
OSHA Vacated PELs:
Lead chromate:
No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.
Section 9 - Physical and Chemical Properties
|
Physical State: Crystals
Appearance: yellow to yellow-orange
Odor: none reported
pH: Not available.
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Evaporation Rate:Not applicable.
Viscosity: Not applicable.
Boiling Point: decomposition
Freezing/Melting Point:844 deg C
Decomposition Temperature:Not available.
Solubility: Insoluble.
Specific Gravity/Density:6.123
Molecular Formula:PbCrO4
Molecular Weight:323.1936
Section 10 - Stability and Reactivity
|
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation, excess heat.
Incompatibilities with Other Materials:
Azodye stuffs (e.g. dinitroaniline orange and chlorinated para red),
sulfur tantalum, iron (III) hexacyanoferrate (4-), hydrazine,
hydrogen peroxide, active metals, sodium, potassium, reducing
agents.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, lead/lead oxides.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
|
RTECS#:
CAS# 7758-97-6:
GB2975000
LD50/LC50:
CAS# 7758-97-6:
Oral, mouse: LD50
= >12 gm/kg;
.
Carcinogenicity:
CAS# 7758-97-6:
- ACGIH:
A2 - Suspected Human Carcinogen
- California:
carcinogen, initial date 2/27/87 (listed as Chromium (VI) compounds).
- NTP:
Suspect carcinogen (listed as Lead compounds).
- IARC:
Group 1 carcinogen
Epidemiology:
Subcutaneous, rat: TDLo = 135 mg/kg (Tumorigenic -
neoplastic by RTECS criteria - tumors at site of
application).; Intramuscular,rat: TDLo = 324 mg/kg/39W-I
(Tumorigenic - neoplastic by RTECS criteria - Kidney,
Ureter, Bladder - Kidney tumors and tumors at site of
application).
Teratogenicity:
No information found
Reproductive Effects:
No information found
Mutagenicity:
Morphological Transformation: Human, Fibroblast = 500
nmol/L.; Mutation Test Systems - not otherwise specified:
Human Cells - not otherwise specified = 500 mg/L.;
Cytogenetic Analysis: Human, Lymphocyte = 13 umol/L.;
Cytogenetic Analysis: Human Cells - not otherwise
specified = 500 mg/L.; Sister Chromatid Exchange: Human,
Lymphocyte = 20 umol/L.
Neurotoxicity:
Repeated exposure to lead has caused neurological changes.
Other Studies:
Section 12 - Ecological Information
|
Ecotoxicity:
No data available.
Chromium in soil can be transported to the atmosphere by way of
aerosol formation. Chromium is also transported from soil through
runoff and leaching of water. Runoff could remove both chromium ions
and bulk precipitates of chromium, with final deposition on either a
different land area or a water body. Leaching of lead can be
relatively rapid from some soils, especially at highly contaminated
sites or landfills.
Environmental:
Chromium is removed from air through wet and dry depositions. .
Terrestrial Fate: Lead in soil is relatively immobile and can persist
for long periods of time, whether added to the soil as halides,
hydroxides, oxides, carbonates or sulfates.
Physical:
No information available.
Other:
No information available.
Section 13 - Disposal Considerations
|
Chemical waste generators must determine whether a discarded chemical is classified
as a hazardous waste.
US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3.
Additionally, waste generators must consult state and local hazardous waste regulations to
ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
Section 14 - Transport Information
|
|
US DOT |
Canada TDG |
Shipping Name: |
OXIDIZING SOLID, N.O.S. |
CORROSIVE SOLID NOS (LEAD CHROMATE) |
Hazard Class: |
5.1 |
8 |
UN Number: |
UN1479 |
UN1759 |
Packing Group: |
II |
II |
Section 15 - Regulatory Information
|
US FEDERAL
TSCA
CAS# 7758-97-6 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
CAS# 7758-97-6: Section 5
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
SARA Codes
CAS # 7758-97-6: immediate, delayed.
Section 313
This material contains Lead
chromate (listed as Lead, inorganic compounds), 100%, (CAS#
7758-97-6) which is subject to the reporting requirements of Section
313 of SARA Title III and 40 CFR Part 373.
Clean Air Act:
CAS# 7758-97-6 (listed as Lead compounds) is listed as a hazardous air
pollutant (HAP).
This material does not contain any Class 1 Ozone depletors.
This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
None of the chemicals in this product
are listed as Hazardous Substances under the CWA.
None of the chemicals in this
product are listed as Priority Pollutants under the CWA.
CAS# 7758-97-6 is listed as a Toxic Pollutant under the Clean Water
Act.
OSHA:
None of the chemicals in this product
are considered highly hazardous by OSHA.
STATE
CAS# 7758-97-6 can be found on the
following state right to know lists: California, New Jersey,
Pennsylvania, Minnesota, Massachusetts.
California Prop 65
The following statement(s) is(are) made in order to comply with
the California Safe Drinking Water Act:
WARNING: This product contains Lead chromate, listed as `Chromium
(VI) compounds', a chemical known to the state of California to
cause cancer.
WARNING: This product contains Lead chromate, listed as `Lead,
inorganic compounds', a chemical known to the state of California to
cause developmental reproductive toxicity.
California No Significant Risk Level:
None of the chemicals in this product are listed.
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols:
T N
Risk Phrases:
R 33 Danger of cumulative effects.
R 40 Limited evidence of a carcinogenic effect.
R 61 May cause harm to the unborn child.
R 62 Possible risk of impaired fertility.
R 50/53 Very toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment.
Safety Phrases:
S 45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
S 53 Avoid exposure - obtain special instructions before use.
S 60 This material and its container must be disposed of as hazardou
s waste.
S 61 Avoid release to the environment. Refer to special instructions
/safety data sheets.
WGK (Water Danger/Protection)
CAS# 7758-97-6: No information available.
Canada - DSL/NDSL
CAS# 7758-97-6 is listed on Canada's DSL List.
Canada - WHMIS
This product has a WHMIS classification of D2A, E.
This product has been classified in accordance with the hazard
criteria of the Controlled Products Regulations and the MSDS
contains all of the information required by those regulations.
Canadian Ingredient Disclosure List
CAS# 7758-97-6 is listed on the Canadian Ingredient Disclosure List.
Section 16 - Additional Information
|
MSDS Creation Date: 6/28/1999
Revision #5 Date: 3/16/2007
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no event shall Fisher be liable
for any claims, losses, or damages of any third party or for lost profits
or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if Fisher has been advised of
the possibility of such damages.