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MSDS Material Safety Data Sheet
CAS

7761-88-8

File Name: jmcatalysts_com---500.asp
                                         Johnson Matthey
SILVER NITRATE
050001 4.00 EC Current 22.03.2001

1. PRODUCT AND COMPANY IDENTIFICATION
050001
Product Code
SILVER NITRATE
Trade Name
Substance
Product Type
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
100% Silver Nitrate AgNO
Composition
1
JM Version Number
19/01/91
Date of First Issue

2. COMPOSITION/INFORMATION ON THE COMPONENTS
SILVER NITRATE
Product Formal Name
.Not Specified
Product Chemical Family
7761-88-8
CAS Number

3. HAZARD IDENTIFICATION
Causes burns. Very toxic to aquatic organisms, may cause long-term adverse
Main Hazards
effects in the aquatic environment.
Silver nitrate is caustic and irritating to the skin, eyes and mucous
membranes, producing a persistent black stain, with possible tissue
destruction. Absorbtion over a long period may cause"Argyria", a blue/grey
discolouration of various tissues. Industrial argyria may be local, involving
the formation of blue/grey particles in the skin and the conjunctivae, or
generalised, which appears early on the face, spreading to the hands. This is
only normally manifest after many years of gross over-exposure. Ingestion
will cause violent abdominal pain and vomiting. Wood impregnated with silver
nitrate presents a high risk of self-ignition. 聽 聽 聽

4. FIRST AID MEASURES
Symptoms of over-exposure may include the following for severe cases.
First Aid
Lower levels of exposure may produce less severe symptoms.
Inhalation- irritation of the respiratory tract with coughing and difficulty in
breathing.
Ingestion- burning sensation in the mouth and throat, violent abdominal pain,
vomiting, collapse and death.
Eyes- severe pain, blindness.
Skin- severe pain, tissue destruction, black stain.

First-aid treatment for severe cases. 聽

First Aid - Inhalation remove from exposure and allow to rest in fresh air. Seek medical attention
urgently. 聽
rinse mouth with water and give water or milk to drink. Seek medical attention
First Aid - Ingestion
urgently.
First Aid - Eyes irrigate with water or isotonic saline solution for 15 minutes. Seek medical
attention urgently. 聽
remove contaminated clothing and wash skin with soap and water. Seek
First Aid - Skin
medical attention urgently.Launder clothing before re-use 聽 聽


5. FIRE FIGHTING MEASURES


\ Page 1
Johnson Matthey
SILVER NITRATE
050001 4.00 EC Current 22.03.2001

5. FIRE FIGHTING MEASURES (continued)
Although the compound is not flammable, it will assist a fire, producing irritant
and toxic fumes of oxides of nitrogen. Wear self contained breathing
apparatus and personal protective equipment. Use any extinguishing media
suitable for the surrounding fire. 聽

6. ACCIDENTAL RELEASE MEASURES
Wearing personal protective equipment (see section 8) collect up the spillage
in a suitable container and retain. Wash the site of the spillage with large
amounts of water. Do not allow wash water to enter natural water courses.
The addition of salt solution will result in a precipitate of insoluble non-
hazardous silver chloride. Any wooden articles contaminated with silver
nitrate should be treated to precipitate the inert chloride, to prevent any
possible risk of later spontaneous ignition. 聽

7. HANDLING AND STORAGE
Good industrial hygiene practices should be observed. Use only under
Handling (JM)
conditions of good local ventilation. Avoid contact with skin and eyes. Do not
eat, drink, smoke or apply cosmetics whilst using this material. 聽
Store in a sealed container in a cool, dry chemical store. Do not store on
Storage (JM)
wooden surfaces. Protect from water and direct sunlight.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Users of large amounts of silver nitrate should consider the application of
engineering control measures such as total enclosure and remote operation
where possible. The following exposure standards have been established -
U.K. Occupational Exposure Standard for silver, soluble compounds (as Ag)
- 0.01 mg/m鈥?
USA ACGIH TLV for silver, soluble compounds as Ag - 0.01 mg/m鈥?
USSR Exposure Limit Value - silver nitrate - 0.50 mg/m鈥?


(Roseman, Moss and Kon, Journal of Occupational Medecine, Vol 21, No. 6,
recommend that monitoring of the silver in air concentration and periodic slit
lamp eye examinations of the exposed workforce are helpful ways to assess
the bodily silver content.)

If a risk of inhalation exists, users should wear an appropriate filter type
respirator. When using this material, users MUST wear chemically resistant,
impervious gloves and suitable eye protection such as goggles or, preferably,
a visor. 聽 聽

9. PHYSICAL AND CHEMICAL PROPERTIES
white, crystalline solid, becoming grey or grey/black upon exposure to light for
Appearance
long periods. 聽
no specific odour.
Odour
aqueous solution is pH 6 approximately
pH
444掳C
Boiling Range/Point
212掳C
Melting Point
not applicable.
Flash Point
not flammable.
Flammability
not applicable.
Auto-flammability
not explosive as a single substance.
Explosive Properties
strong oxidisier.
Oxidising Properties
no data.
Vapour Pressure
4.352 gm/cc
Density


\ Page 2
Johnson Matthey
SILVER NITRATE
050001 4.00 EC Current 22.03.2001

9. PHYSICAL AND CHEMICAL PROPERTIES (continued)
soluble in water - 122 gm/100 ml cold
Solubility in Water
952 gm/100 ml hot
fat - no data
no data.
Partition Coefficient

10. STABILITY AND REACTIVITY
This material is supplied in a stable condition. Silver nitrate is a strong
oxidising agent. Wood and other organic materials which have become
impregnated with silver nitrate are reported as being possibly spontaneously
flammable when dry.
Contact with ammonia may produce explosive compounds. Ammoniacal
silver nitrate solutions should never be stored. Violent reactions have been
reported between silver nitrate and the following materials - acetaldehyde,
phosphorus, ammonia and ethanol, acetylene and derivatives, acrylonitrile,
ammonia and sodium carbonate, ammonia and sodium hydroxide, arsenic, 1,
3-butadiyne, buten-3-yne, chlorine trifluoride, chlorosulfonic acid, disilver
ketenide, ethanol, phosphine, phosphonium iodide.
Silver may have a catalytic effect upon the oxidation of some organic
compounds. When processing silver and its salts, care should be taken to
avoid the formation of explosive compounds such as the nitride, oxalate or
tartrate. Mixtures of silver nitrate with titanium powder are reported as being
explosive when subjected to friction or impact or upon heating. An intimate
mixture of silver nitrate and aluminium powder or magnesium powder is
reported as exploding upon the addition of water. 聽

11. TOXICOLOGICAL INFORMATION
LD50 (oral-mouse) 50 mg/kg : LDLo (oral-dog) 20 mg/kg.
LDLo (oral-rabbit) 800 mg/kg : LDLo (unrecorded-man) 29 mg/kg. i.e. Toxic.
Eye-rabbit; 1 to 10 mg - moderate to severe irritant
There is evidence that silver nitrate is an experimental tumerigen.
Reproductive and mutagenic effects have been observed in animals, no
human data is available.
聽聽

12. ECOLOGICAL INFORMATION
The threshold concentration for fresh and salt water fish is 0.01 ppm as Ag.
The threat is ascribed to mainly to the nitrate. Silver will be precipitated by
any naturally occuring chlorides as silver chloride. 聽

13. DISPOSAL
Return accumulated waste material to the refinery for metal recovery, or
dispose of in accordance with local and national regulations. 聽

14. TRANSPORT INFORMATION
U.N. No. 1493, Class 5.1, Packing Group II
ADR 2501 22(b) 聽 聽

15. REGULATORY INFORMATION
Corrosive
Labelling Information

Dangerous to the Environment


R34 Causes burns.
R phrases
R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects
in the aquatic environment.


\ Page 3
Johnson Matthey
SILVER NITRATE
050001 4.00 EC Current 22.03.2001

15. REGULATORY INFORMATION (continued)
S26 In case of contact with eyes, rinse immediately with plenty of water and
S phrases
seek medical advice.
S45 In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
S60 This material and its container must be disposed of as hazardous waste.
S61 Avoid release to the environment. Refer to special instructions/Safety
data sheets.
2318539
EINECS Number
C - Corrosive
EC Annex I Classification
N - Dangerous to the Environment

16. OTHER INFORMATION
15 September 2000
MSDS first issued
22 March 2001
MSDS data revised
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. 聽
Reference Sources
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.
National Sales Offices
Johnson Matthey PLC,33 Jeffreys Road, Brimsdown, ENFIELD, Middlesex EN3 7PW, United Kingdom, Tel:- 0208 8048111,
Fax:- 0208 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 A/S, Frederikssundsvej 274 D, Br垄nsh垄j 2700, Denmark, Tel:- 38 89 62 00, Fax:- 38 89 62 01



\ Page 4
Johnson Matthey
SILVER NITRATE
050001 4.00 EC Current 22.03.2001

16. OTHER INFORMATION (continued)
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
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:- 01 307 1919, Fax:- 01 307
1920

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

Yes.
EC Label

17. 000000000




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