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MSDS 
:
 Potassium dichromate, 4 wt% solution in water
CAS 
:
 7732-18-5
SYNONYMS 
:
 
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | 96% | 231-791-2 |
|----------------|--------------------------------------|----------|-----------|
| 7778-50-9 |Potassium dichromate | 4% | 231-906-6 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T N
Risk Phrases: 22 23 42/43 45 46 48/20 60 61 51/53

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Harmful if swallowed. Toxic by inhalation. May cause sensitization
by inhalation and skin contact. May cause cancer. May cause heritable
genetic damage. Harmful : danger of serious damage to health by
prolonged exposure through inhalation. May impair fertility. May
cause harm to the unborn child. Toxic to aquatic organisms, may
cause long-term adverse effects in the aquatic environment.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the
skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if
swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

**** 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
immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
Notes to Physician:

**** 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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Do not let this chemical enter the
environment.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on
skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 7732-18-5:

CAS# 7778-50-9:
United Kingdom, WEL - TWA: (listed as chromium (vi) compounds): 0
mg/m3 TWA (as Cr)
United Kingdom, WEL - STEL: (listed as chromium (vi) compounds):
mg/m3 STEL (as Cr)
United States OSHA: 0.1 mg/m3 Ceiling (listed under Chromates).
Belgium - TWA: (listed as chromium (vi) compounds- water soluble)
0.05 mg/m3 VLE (as Cr)
France - VME: (listed as chromium (vi) compounds): 0.05 mg/m3 VME
Cr)
Germany: (listed as chromium (vi) compounds): 0.05 mg/m3 VME (as
Japan: (listed as chromium (vi) compounds): 0.05 mg/m3 OEL (as Cr
0.01 mg/m3 OEL (certain compounds, as Cr)
Malaysia: (listed as chromium (vi) compounds- water soluble): 0.0
mg/m3 TWA (as Cr)
Netherlands: (listed as chromium (vi) compounds- water soluble):
mg/m3 STEL
Netherlands: (listed as chromium (vi) compounds- water soluble):
0.025 mg/m3 MAC
Spain: 0.05 mg/m3 VLA-ED (as Cr)

Personal Protective Equipment

Eyes:
Not available.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: orange
Odor: Not available.
pH: 4
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Soluble.
Specific Gravity/Density: 1.010
Molecular Formula: Cr2K2O7
Molecular Weight: 294.17

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Not available.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 7732-18-5: ZC0110000
CAS# 7778-50-9: HX7680000
LD50/LC50:
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
CAS# 7778-50-9: Draize test, rabbit, eye: 140 mg Severe; Oral,
mouse: LD50 = 190 mg/kg; Oral, rat: LD50 = 25 mg/kg; Skin, rabbit:
LD50 = 14 mg/kg.
Carcinogenicity:
Water -
Not listed by ACGIH, IARC, or NTP.
Potassium dichromate -
California: carcinogen, initial date 2/27/87 (listed as Chromium (VI)
NTP: Known carcinogen (listed as Chromium (VI) compounds).
IARC: Group 1 carcinogen (listed as Chromium (VI) compounds).
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****



**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2810
Packing Group: III
IMO
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2810
Packing Group: III
RID/ADR
Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2810
Packing group: III
USA RQ: CAS# 7778-50-9: 10 lb final RQ; 4.54 kg final RQ

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T N
Risk Phrases:
R 45 May cause cancer.
R 46 May cause heritable genetic damage.
R 61 May cause harm to the unborn child.
R 22 Harmful if swallowed.
R 23 Toxic by inhalation.
R 42/43 May cause sensitization by inhalation and
skin contact.
R 48/20 Harmful : danger of serious damage to health
by prolonged exposure through inhalation.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 60 May impair fertility.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
WGK (Water Danger/Protection)
CAS# 7732-18-5: No information available.
CAS# 7778-50-9: 3
Canada
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 7778-50-9 is listed on Canada's DSL List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
CAS# 7778-50-9 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7732-18-5 is listed on the TSCA inventory.
CAS# 7778-50-9 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
MSDS Creation Date: 10/08/2004 Revision #0 Date: Original.

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 way shall the company 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 the company has been advised of
the possibility of such damages.
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