Material Safety Data
Potassium Chromate, certified ACS, granular
Section 1 - Chemical Product and Company
MSDS Name: Potassium Chromate,
certified ACS, granular
Catalog Numbers: S77393, P220-100,
P220-3, P220-500, S71231-3
Synonyms: Chromic acid, dipotassium salt;
Chromate of potassium; Neutral potassium chromate
Fair Lawn, NJ 07410
For information, call: 201-796-7100
For CHEMTREC assistance, call: 800-424-9300
International CHEMTREC assistance, call: 703-527-3887
Section 2 -
Composition, Information on Ingredients
||Chromic acid dipotassium salt
Symbols: T N
Risk Phrases: 36/37/38 43 46 49 50/53
Section 3 - Hazards
Appearance: yellow. Danger! May cause allergic respiratory
reaction. May cause cancer in humans. May cause severe eye, skin and respiratory
tract irritation with possible burns. May cause severe digestive tract
irritation. Strong oxidizer. Contact with other material may cause a fire.
Target Organs: Kidneys, liver.
Potential Health Effects
Eye: Contact with eyes may cause severe irritation,
and possible eye burns. Exposure to particulates or solution may cause
conjunctivitis, ulceration, and corneal abnormalities.
Skin: May cause skin sensitization, an allergic reaction,
which becomes evident upon re-exposure to this material. Contact with skin
causes irritation and possible burns, especially if the skin is wet or moist.
May cause dermatitis.
Ingestion: May cause severe and
permanent damage to the digestive tract. May cause liver and kidney damage. May
cause severe digestive tract irritation with abdominal pain, nausea, vomiting
Inhalation: May cause asthmatic attacks due
to allergic sensitization of the respiratory tract. May cause ulceration and
perforation of the nasal septum if inhaled in excessive quantities. May cause
severe irritation of the upper respiratory tract with pain, burns, and
inflammation. Causes chemical burns to the respiratory tract. May cause chemical
bronchitis with coughing and difficulty in breathing.
Chronic: Chronic inhalation and ingestion may cause effects
similar to those of acute inhalation and ingestion. Prolonged or repeated
exposure may lead to asthma and perforation of the nasal septum. Repeated
inhalation may cause chronic bronchitis. May cause liver and kidney damage. May
cause cancer in humans.
Section 4 - First Aid
Eyes: 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 soap and 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 immediately.
Inhalation: Get medical aid immediately. Remove from
exposure to fresh air immediately. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen.
Physician: Treat symptomatically and supportively.
Antidote: None reported.
Section 5 - Fire
Information: As in any fire, wear a self-contained breathing apparatus
in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective
gear. During a fire, irritating and highly toxic gases may be generated by
thermal decomposition or combustion. Oxidizer. Greatly increases the burning
rate of combustible materials. Containers may explode in the heat of a fire.
Runoff from fire control or dilution water may cause pollution.
Extinguishing Media: Do NOT use dry chemicals, CO2, Halon
or foams. Use water only in flooding quantities as fog.
Section 6 -
Accidental Release Measures
Information: Use proper personal protective equipment as indicated in
Spills/Leaks: Absorb spill with inert material
(e.g. vermiculite, sand or earth), then place in suitable container. Clean up
spills immediately, observing precautions in the Protective Equipment section.
Avoid generating dusty conditions. Provide ventilation.
Section 7 - Handling
Handling: Wash thoroughly after handling. Remove
contaminated clothing and wash before reuse. Use with adequate ventilation.
Minimize dust generation and accumulation. Do not get in eyes, on skin, or on
clothing. Keep container tightly closed. Avoid contact with clothing and other
combustible materials. Do not ingest or inhale. Use with adequate ventilation.
Discard contaminated shoes.
Storage: Do not store near
combustible materials. Keep container closed when not in use. Store in a cool,
dry, well-ventilated area away from incompatible substances. Keep containers
Section 8 - Exposure
Controls, Personal Protection
Controls: Facilities storing or utilizing this material should be
equipped with an eyewash facility and a safety shower. Use adequate ventilation
to keep airborne concentrations low.
|Chromic acid dipotassium salt
OSHA Vacated PELs: Chromic
acid dipotassium salt: No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment
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
Skin: Wear appropriate protective gloves to
prevent skin exposure.
Clothing: Wear appropriate
protective clothing to minimize contact with skin.
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 a respirator's use. Follow the OSHA respirator regulations
found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or
European Standard EN 149 approved respirator when necessary.
Section 9 - Physical
and Chemical Properties
8.6-9.8 (5% soln)
Vapor Pressure: 0
Vapor Density: Not
Evaporation Rate:Not applicable.
Boiling Point: Not available.
Point:975 deg C
Autoignition Temperature: None reported.
Flash Point: Not available.
NFPA Rating: (estimated) Health: 2; Flammability: 0;
Explosion Limits, Lower:None reported.
Upper: None reported.
Section 10 -
Stability and Reactivity
Stability: Stable under normal temperatures and pressures.
to Avoid: Incompatible materials.
Incompatibilities with Other
Materials: Hydrazine, combustible, organic, or other readily oxidizable
materials: paper, wood, sulfur, aluminum, plastics, chromic acid, chromates.
Hazardous Decomposition Products: Oxides of potassium, toxic chromium
Hazardous Polymerization: Will not occur.
Section 11 -
CAS# 7789-00-6: GB2940000
Oral, mouse: LD50 = 180 mg/kg;
ACGIH: A1 - Confirmed
Human Carcinogen (listed as Chromium (VI) compounds- water solubl
California: carcinogen; initial date 2/27/87 (listed as Chromium (VI)
NTP: Known carcinogen (listed as Chromium (VI)
OSHA: Select carcinogen (listed as Chromium (VI)
IARC: Group 3 carcinogen (listed as Chromium).
Epidemiology: No information available.
TDLo (Intraperitoneal,mouse)=30 mg/kg
Reproductive Effects: No
Neurotoxicity: No information available.
Mutagenicity: Mutation in microorganisms(Salmonella typhimurium)= 35
ug/plateMutation in microorganisms(Salmonella typhimurium)= 10 ug/plate
Other Studies: No data available.
Section 12 -
data available. LC50 Physa heterostropha (snail) 31,600 ug/l as chromium; water
hardness as 171 mg/l as calcium carbonate; static unmeasured method LC50 Daphnia
magna (Cladoceran) 137,66.7 and 15.3 ug/l as chromium; water hardnesses of
212,188 and 50 as calciium carbonate, respectively, and with pH values of 8.2 to
8.4, 7.5 to 7.5 to 7.6, and 7.5, respectively; static measured method.
Environmental: Aquatic Fate: Cr(VI) exists in solution as
hydrochromate, chromate, and dichromate ionic species. The proportion of each
ion in solution is dependent on pH. In strongly basic and neutral pHs, the
chromate form predominates. Chromium is present usually as Cr(III) in the soil
and is characterized by its lack of mobility, except in cases where Cr(VI) is
involved. Chromium (VI) of natural origin is rarely found.
As the pH is lowered, the hydrochromate concentration increases. At very low
pHs, the dichromate species predominates. In the pH ranges encountered in
natural water, the predominant forms are hydrochromate ions (63.6%) at pH 6.0 to
6.2 and chromate ion (95.7%) at pH 7.8 to 8.5. The oxidizing ability of Cr(VI)
in aqueous solution is pH dependent.
Other: No information available.
Section 13 - Disposal
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 -
||OXIDIZING SOLID,N.O.S. (POTASSIUM CHROMATE)
||REGULATED LIMIT 50KG|
Section 15 -
CAS# 7789-00-6 is listed on the TSCA
Health & Safety Reporting List
None of the
chemicals are on the Health & Safety Reporting List.
None of the chemicals in this product are under a Chemical Test
CAS# 7789-00-6: 6/12b
New Use Rule
None of the chemicals in this material have a SNUR under
Section 302 (RQ)
CAS# 7789-00-6: final RQ
= 10 pounds (4.54 kg)
Section 302 (TPQ)
None of the chemicals in
this product have a TPQ.
CAS # 7789-00-6: acute,
This material contains Chromic acid
dipotassium salt (listed as ** undefined **), 99 5%, (CAS# 7789-00-6) which is
subject to the reporting requirements of Section 313 of SARA Title III and 40
CFR Part 373.
Clean Air Act:
This material does not contain any
hazardous air pollutants. This material does not contain any Class 1 Ozone
depletors. This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
CAS# 7789-00-6 is listed as a Hazardous Substance
under the CWA. None of the chemicals in this product are listed as Priority
Pollutants under the CWA. None of the chemicals in this product are listed as
Toxic Pollutants under the CWA.
None of the chemicals in
this product are considered highly hazardous by OSHA.
7789-00-6 can be found on the following state right to know lists: California,
New Jersey, Pennsylvania, Massachusetts.
California No Significant Risk
Level: None of the chemicals in this product are listed.
European Labeling in
Accordance with EC Directives
R 36/37/38 Irritating to eyes, respiratory system
R 43 May cause sensitization by skin contact.
R 46 May cause heritable
R 49 May cause cancer by inhalation.
R 50/53 Very toxic
to aquatic organisms; may cause
long-term adverse effects in the aquatic
S 45 In case of accident or if
you feel unwell, seek
medical advice immediately (show the label where
S 53 Avoid exposure - obtain special instructions
S 60 This material and/or its container must be
disposed of as
S 61 Avoid release to the environment. Refer to
instructions/Safety data sheets.
CAS# 7789-00-6: 2
is listed on Canada's DSL List. CAS# 7789-00-6 is listed on Canada's DSL List.
This product has a WHMIS classification of C, D2A.
CAS# 7789-00-6 is
listed on Canada's Ingredient Disclosure List.
CAS# 7789-00-6 (listed as ** undefined **): OEL-ARAB Republic of
:TWA 0.05 mg/m3 OEL-AUSTRALIA:TWA 0.05 mg/m3 OEL-BELGIUM:TWA 0.5
m3 OEL-DENMARK:TWA 0.5 mg/m3 OEL-FINLAND:TWA 0.01 mg/m3
TWA 0.5 mg/m3 OEL-JAPAN:TWA 0.5 mg/m3 OEL-THE NETHERLANDS:TWA 0.5
/m3 OEL-THE PHILIPPINES:TWA 1 mg/m3 OEL-SWEDEN:TWA 0.5 mg/m3
ITED KINGDOM:TWA 0.5 mg/m3 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA
heck ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
Section 16 -
MSDS Creation Date:
Revision #3 Date: 8/20/2001
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
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