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MSDS Material Safety Data Sheet
CAS

16941-12-1

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                                      SAFETY DATA SHEET
PT 25GM/100GM CHLOROPLATINIC ACID IN SOLN
181025 4.00 EC Current 28.03.2000

1. PRODUCT AND COMPANY IDENTIFICATION
181025
Product Code
PT 25GM/100GM CHLOROPLATINIC ACID IN SOLN
Trade Name
16941-12-1
CAS Number
2410107
EINECS Number
1
JM Version Number
23/05/91
Date of First Issue
Johnson Matthey PLC
Manufacturer/Supplier
Precious Metals Division, Chemicals
Address
Orchard Road
ROYSTON, Hertfordshire
SG8 5HE
+(44) 1763 253000
Phone Number
+(44) 1763 253155
Fax Number

2. COMPOSITION/INFORMATION ON THE COMPONENTS
A dark red-brown aqueous solution of Hydrogen Hexachloroplatinate,
Composition
H沤PtCl鈥?, and containing upto 5% free hydrochloric acid.

3. HAZARD IDENTIFICATION
Chloroplatinic acid is corrosive to human tissues, and will cause burns to the eyes, skin and mucous membranes. There is no
oral toxicological data for CPA but by analogy with other compounds containing the hexachloroplatinate anion, it should be
regarded as being toxic if swallowed.
It is highly allergenic and will cause Type 1 sensitisation in susceptible individuals. Sensitised persons, on re-exposure to
platinum salts will show the clinical features of a Type 1 allergy - asthma and/or rhinitis and/or conjunctivitis and/or urticaria. A
contact dermatitis can also occur.

4. FIRST AID MEASURES
Inhalation of the dust will result in coughing and sneezing and severe irritation of the respiratory tract, and is the main cause of
sensitisation. The symptoms of the allergic reaction to platinum salts may include any of the following;- itchy red eyes,
watering of the eyes, sneezing, runny nose, chest tightness, wheezing, breathlessness, cough, eczematous or urticarial (
nettle rash type) skin lesions. Exposure to platinum salts in exceedingly small amounts, even below the level of physico-
chemical detection, will produce symptoms in sensitised persons. Continued exposure will give symptoms of increasing
severity and can eventually lead to chronic asthma. There is a risk of anaphylactic shock occuring in sensitised persons re-
encountering platinum salts. Therefore, if sensitisation has developed, further exposure to platinum compounds must not be
permitted. "Platinum asthma" is a prescribed occupational disease in the UK. Ingestion will lead to severe abdominal pain,
with possible chemical burns to the mouth and throat. Contact with the skin will be irritating. Strong solutions are corrosive,
with the possibility of burns in severe cases. Contact with the eyes will be painful at all levels of exposure.

remove from exposure and allow to rest in fresh air. Rinse nose and mouth
First Aid - Inhalation
with clean water. If breathing is difficult, give oxygen if available. Get
immediate medical attention.
rinse mouth with water and give water or milk to drink. Do not induce
First Aid - Ingestion
vomiting. Get immediate medical attention.
irrigate with water or isotonic saline solution for 15 minutes. Get medical
First Aid - Eyes
attention.
Remove contaminated clothing and wash skin with copious amounts of soap
First Aid - Skin
and water.If irritation persists or tissue is damaged, get medical attention.

Acute allergic reactions are managed symptomatically as indicated by the clinical condition. There is no known antidote.


5. FIRE FIGHTING MEASURES


MSDS_EC Page 1 of 4
SAFETY DATA SHEET
PT 25GM/100GM CHLOROPLATINIC ACID IN SOLN
181025 4.00 EC Current 28.03.2000

5. FIRE FIGHTING MEASURES (continued)
Although the material is not flammable, toxic fumes will be produced if involved in a fire. The residue, ash or char left after a
fire may have catalytic properties and may promote the re-ignition of flammable materials and vapours. Wear self-contained
breathing apparatus and personal protective equipment. Use any extinguisher suitable for the surrounding fire.

6. ACCIDENTAL RELEASE MEASURES
Evacuate non-protected personnel. Wear protective clothing, impervious gloves, eye protection and filter-type respiratory
protection when dealing with spillages. Solid spills should be carefully collected into a sealable, plastic lined drum. Solutions
should be absorbed in sand or other inert absorbant and carefully transferred to a plastic lined drum. The site of the spillage
may be treated with an aqueous solution of a reducing agent, to convert any remaining platinum compounds to the metal.
Store accumulated rags, wipes, mops, sand, vermiculite etc. in suitably labelled containers for return to the refinery for
precious metal recovery. Afterwards, wash the site of the spillage with copious amounts of water. If the spill has resulted in
the dispersion of dust through the air, the area must be decontaminated by thorough washing with water.

7. HANDLING AND STORAGE
Handling (JM)
Good industrial hygiene practices should be observed. Avoid direct contact. Do not eat, drink, smoke or apply cosmetics
whilst handling. Exposure to air- borne particulates must be kept within permissible limits. Use only under conditions of good
local ventilation.
Storage (JM)
Keep in a secure store, in a sealed, plastic container, away from incompatible materials such as reducing agents.


8. EXPOSURE CONTROLS/PERSONAL PROTECTION
UK MEL for halogeno-platinum compounds - 0.002 mg/m鈥?
USA ACGIH TLV-TWA for soluble platinum salts - 0.002 mg/m鈥?
German MAK for platinum compounds, measured as total dust - 0.002 mg/m鈥?
Danish ELV for soluble platinum compounds - 0.002 mg/m鈥?
All values calculated as Pt. High risk of sensitization.

Local exhaust extraction should be used. Vapour and fumes from all operations should be vented to external atmosphere via
a collection or scrubbing system. Personal filter type respiratory protection, impervious gloves and industrial safety glasses
should be worn. Work clothes should be changed as often as necessary and at least after every working shift. Wash hands
after using this material.

Users of large amounts of the solid or its solutions should consider the application of engineering control measures, such as
total enclosure and remote operation where possible. Workplace air and the exhaust from the ventilation system should be
monitored for airborne platinum to ensure that exposure limit are not exceded. This monitoring should include personal
breathing zone sampling. Pre-exposure and periodic medical examinations of persons exposed to platinum salts are
recommended. Further details are given in the HSE's Guidance Note MS22,"The Medical Monitoring of Workers Exposed to
Platinum Salts" (ISBN 0 11 883575 0). For non UK residents, information is available from the JM Group Occupational
Physician.

9. PHYSICAL AND CHEMICAL PROPERTIES
red-brown liquid.
Appearance
sharp, acidic odour.
Odour
strongly acidic, pH<1.
pH
approximately 110掳C.
Boiling Range/Point
no data.
Melting Point
not applicable.
Flash Point
not flammable.
Flammability
not applicable.
Auto-flammability


MSDS_EC Page 2 of 4
SAFETY DATA SHEET
PT 25GM/100GM CHLOROPLATINIC ACID IN SOLN
181025 4.00 EC Current 28.03.2000

9. PHYSICAL AND CHEMICAL PROPERTIES (continued)
not explosive.
Explosive Properties
not oxidising.
Oxidising Properties
no data.
Vapour Pressure
1.3 gm/cc approximately.
Density
Water - completely miscible with water.
Solubility in Water
Fat - no data.
no data.
Partition Coefficient

10. STABILITY AND REACTIVITY
On standing in air, the solid will absorb moisture and may coalesce into a hard lump. The acidic, aqueous solution will
hydrolyse when subjected to heat and light. Old solutions will contain chloro-hydroxy platinum species. The solution may be
stabilised by the addition of hydrochloric acid. The solid decomposes on heating, giving off toxic fumes.

12. ECOLOGICAL INFORMATION
The reproduction of daphnids is impaired (16%) by 0.014 ppm Pt in 3 weeks. Hydrogen hexachloroplatinate is reported to be
lethal to certain freshwater species. The complex may persist for some time in the environment.

14. TRANSPORT INFORMATION
U.N.No. 3264, Class 8, Packing Group III.
ADR 2801 17(c)
Proper Shipping Name - Corrosive liquid,acidic,inorganic, n.o.s. "Chloroplatinic Acid".

15. REGULATORY INFORMATION
C - Corrosive
EC Annex I Classification
R25 Toxic if swallowed.
R phrases
R34 Causes burns.
R42/43 May cause sensitisation by inhalation and skin contact.
S26 In case of contact with eyes, rinse immediately with plenty of water and
S phrases
seek medical advice.
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
S45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).

16. OTHER INFORMATION
National Sales Offices
Johnson Matthey PLC,33 Jeffreys Road, Brimsdown, ENFIELD, Middlesex EN3 7PW, United Kingdom, Tel:- 0181 8048111,
Fax:- 0181 8041918

S.A.Johnson Matthey N.V., 8 Avenue de Bale, 1140 BRUSSEL, Belgi毛 / Belgique, Tel:- 2 729 0711, Fax:- 2 216 9061

Johnson Matthey S.A., Vallespir, 193-195, 08014 BARCELONA, Espa帽a, Tel:- (93) 490 86 86, Fax:- (93) 490 68 98

Johnson Matthey A/S, Frederikssundsvej 274 D, Br垄nsh垄j 2700, Denmark, Tel:- 38 89 62 00, Fax:- 38 89 62 01

Johnson Matthey PLC, Unit 1 - 2, Blanchardstown Business Centre, Clonsilla Road, Blanchardstown, Dublin 15, Republic of
Ireland, Tel:- 1 820 7722, Fax:- 1 820 7733

Johnson Matthey GmbH, Alfa Products, Zeppelinstrasse 7, Postfach 6540, D-7500 KARLSRUHE 1, Deutschland, Tel:- 721
840070, Fax:- 721 849674

Johnson Matthey SA, 13 Rue de la Perdrix, Z1 PARIS Nord II, BP 50240, 95996 Roissy, CDG Cedix France, Tel:- 1 48 63 22


MSDS_EC Page 3 of 4
SAFETY DATA SHEET
PT 25GM/100GM CHLOROPLATINIC ACID IN SOLN
181025 4.00 EC Current 28.03.2000

16. OTHER INFORMATION (continued)
99, Fax:- 1 48 63 27 02

Oy Johnson Matthey A.B, Kielotie 7A 4KRS, 01300 BANTAA, Soumi, Tel:- 08574 800, Fax:- 08574 807

Johnson Matthey A.B., Victor Hasselblads gata 8, S-421 31 V盲stra Fr枚lunda, Sverige, Tel:- 031 891390, Fax:- 31 477795

Johnson Matthey & Co G.m.b.H, Steckhovengasse 12, 1132 WIEN, 脰sterreich, Tel:- 877 98 90, Fax:- 877 98 933

Johnson Matthey & Brandenberger A.G., Glattalstrasse 18, CH-8052 ZURICH, Switzerland, Tel:- 01 302 4488, Fax:- 01 302
4701

Johnson Matthey GmbH, Otto-Volger-Stra脽e 9B, D-65843 Sulzbach/Ts, Deutschland, Tel:- (0 61 96)70 38-21, Fax:- (0 61 96)
70 38 12

REFERENCE SOURCES
Registry of Toxic Effects of Chemical Substances. Published by the National Institute of Occupational Safety and Health.
USA.
Oil and Hazardous Materials Technical Assistance Data System. Published by The Office of Water and Waste Management.
Environmental Protection Agency USA.
Chemical Hazard Response Information System. Published by US Coast Guard.
NIOSHTIC Occupational Safety and Health database. Published by the National Institute of Occupational Safety and Health.
USA.
HSELINE Health and Safety Executive Library and Information Service. Published by the Health and Safety Executive. UK.
CISDOC International Occupational Safety and Health Database. Published by the International Labour Organisation.
Geneva.
RISKLINE. Published by the National Chemical Inspectorate. Sweden.
TOXLINE. Published by the Chemical Abstracts Service. USA.
Developmental and Reproductive Toxicology. The National Library of Medicine. USA.
Toxicity, Bibliography. The National Library of Medicine. USA.
Environmental Mutagen Information. Oak Ridge National Laboratory. USA.
Environmental Teratology Information. Oak Ridge National Laboratory. USA
BIOSIS. Published by Biological Abstracts Inc. USA.
Epidemiology Information. The Food and Drug Administration. USA
International Pharmaceutical Abstracts. The American Society of Hospital Pharmacists. USA.
Hazardous Materials Technical Center Abstracts. Department of the Army, Hazardous Materials Technical Center. USA.
Toxicology Document and Data Depository. National Technical Information Service. USA.
Federal Research in Progress. National Technical Information Service. USA.
Toxicology Research Projects. National Institutes of Health. USA
Toxic Substances Control Act Test Submissions. The Environmental Protection Agency. USA.
Patty's Industrial Hygiene and Toxicology 3rd edition.
Handbook on the Toxicology of Metals. Friberg, Nordberg and Vouk 2nd edition.
Bretherick's Handbook of Reactive Chemical Hazards. 5th edition.
Grant's Toxicology of the Eye. 3rd edition.
Merck Index 10th edition.
Handbook on Toxicology of Inorganic Compounds. Seiler, Sigel and Sigel.
Catalog of Teratogenic Agents. Shepard. 4th edition
Reproductive Hazards of Industrial Chemicals. Barlow and Sullivan.
Royal Society of Chemistry, Chemical Safety Data Sheets.

This information relates only to the specific material designated and may not be valid for such material used in combination
with any other materials or in any process. Such information is given in good faith, being based on the latest information
available to Johnson Matthey PLC and is to the best of Johnson Matthey PLC's knowledge and belief, accurate and reliable at
the time of preparation. However, no representation, warranty or guarantee is made as to the accuracy, liability or
completness and Johnson Matthey PLC assumes no responsibility therefore, and disclaims any liability for any loss, damage
or injury howsoever arising (including in respect of any claim brought by any third party) incurred using this information. The
product is supplied on thecondition that the user accepts responsibility to satisfy himself as to the suitability and completness
of such information for his own particular use. Freedom from patent or any other proprietary rights of any third party must not
be assumed.




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