World Headquarters
Hach Company
P.O.Box 389 MSDS No: M00371
Loveland, CO USA 80539
(970) 669 -3050
SAFETY DATA SHEET
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1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND OF THE
COMPANY/UNDERTAKING
Product Name: Sodium Thiosulfate Standard Solution, Stabilized, 0 ,00246 N
Catalog Number: 2408532
HACH LANGE GmbH Emergency Telephone Numbers:
Willst盲tterstrasse 11 (Poison Information Center Main)
40549 D眉sseldorf, Germany (+49 (0) 6131 19240) 24 HR
+49 -(0)211 -52880
SDS Number: M00371
Chemical Name: Not applicable
Chemical Formula: Not applicable
Chemical Family: Not applicable
Use of the substance/preparation: Titrant solution
CAS No.: Not applicable
Hazard: May cause irritation.
Date of MSDS Preparation:
Day: 29
Month: May
Year: 2007
Additional Emergency Response Numbers: Austria: +49 (0)6131 19240, Belgium: +32 -(0)70 -245245,
France: +33 -(0)1 -40370404, Italy: +39 -02-66101029, Netherlands: +31 -(0)30 -2748888, Switzerland: +41 -
(0)1 -2515151
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2. COMPOSITION / INFORMATION ON INGREDIENTS
Propylene Glycol
EEC Number: 2003380
CAS No.: 57-55-6
Percent Range: 20,0 - 30,0
Percent Range Units: volume / volume
Ingredie nt EEC Symbol: Not applicable
Ingredient R phrase(s) (R phrase details given in Heading 16): Not applicable
TLV: Not established
PEL: Not established
EU Occupational Exposure Limits: Not established
Demineralized Water
EEC Number: 2317912
CAS No.: 7732 -18-5
Percent Range: 70,0 - 80,0
Percent Range Units: volume / volume
Ingredient EEC Symbol: Not applicable
Ingredient R phrase(s) (R phrase details given in Heading 16): Not applicable
TLV: Not established
PEL: Not established
EU Occupational Exposure Limits: Not established
Sodium Thiosulfate
EEC Number: 2318675
CAS No.: 10102 -17-7
Percent Range: < 1,0
Percent Range Units: weight / volume
Ingredient EEC Symbol: Not applicable
Ingredient R phrase(s) (R phrase details given in Heading 16): Not applicable
TLV: Not established
PEL: Not established
3 mg/m 3, Inhalable dust
EU Occupational Exposure Limits:
Sodium Sulfate
EEC Number: 2318209
CAS No.: 7757 -82-6
Percent Ra nge: 1,0 - 5,0
Percent Range Units: weight / volume
Ingredient EEC Symbol: Not applicable
Ingredient R phrase(s) (R phrase details given in Heading 16): Not applicable
TLV: Not established
PEL: Not established
3 mg/m 3, Inhalable dust
EU Occupational Exposure Limits:
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3. HAZARDS IDENTIFICATION
Emergency Overview:
Appearance: Clear, colorless liquid
Odor: Sweet
EU Symbols: Not applicable
R PHRASES: Not applicable
Protective Equipment:
Potential Health Effects:
Eye Contact (EC): May cause irritation
Skin Contact (EC): May cause irritation
Skin Absorption (EC): No effects anticipated
Target Organs (SA E): Not applicable
Ingestio n (EC): Very large doses may cause: central nervous system depression kidney damage rapid
pulse and respirations
Target Organs (Ing E): None Reported
Inhalation: No effects anticipated
Target Organs (Inh E): Not applicable
Medical Condit ions Aggravated: None reported
Chronic Effects: None reported
Cancer / Reproductive Toxicity Information:
This product does NOT contain any IARC listed chemicals.
Additional Cancer / Reproductive Toxicity Information: None reported
Toxi cologically Synergistic Products: None reported
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4. FIRST AID MEASURES
Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician.
Skin Contact (First Aid): Wash skin with soap and plenty of water. Call physician if irritation develops.
Ingestion (First Aid): Give large quantities of water. Call physician immediately.
Inhalation: Remove to fresh air.
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5. FIRE FIGHTING MEASURES
Flammable Properties: During a fire, this product decomposes to form toxic gases.
Hazardous Combustion Products: Toxic fumes of: sodium oxides carbon monoxide, carbon dioxide.
Fire / Explosion Hazards: None reported
Static Discharge: None reported.
Mechanical Impact: None reported
Extinguishing Media: Use media appropriate to surrounding fire conditions
Extinguishing Media NOT To B e Used: Not applicable
Fire Fighting Instruction: As in any fire, wear self -contained breathing apparatus pressure -demand and full
protective gear.
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6. ACCIDENTAL RELEASE MEASURES
Spill Response Notice:
Only persons properly qualified to respond to an emergency involving hazardous substances should respond
to a spill involving chemicals. See Section 13, Special Instructions for disposal assistance.
Containment Tech nique: Absorb spilled liquid with non -reactive sorbent material. Stop spilled material from
being released to the environment.
Clean -up Technique: Absorb spilled liquid with non -reactive sorbent material. Sweep up material. Place
material in a pla stic bag. Mark bag 'Non -hazardous trash', and dispose of as normal refuse. Decontaminate the
area of the spill with a soap solution.
Evacuation Procedure: Evacuate as needed to perform spill clean -up. If conditions warrant, increase the size
of the evacuation.
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7. HANDLING AND STORAGE
Handling: Avoid contact with eyes skin Do not breathe mist or vapors. Wash thoroughly after handling.
Maintain general industrial h ygiene practices when using this product.
Storage: Protect from: oxidizers
Special Packaging Instructions: Not applicable
Use of the substance/preparation: Titrant solution
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8. EXPOSURE CONTROLS / PROTECTIVE EQUIPMENT
Engineering Controls: Have an eyewash station nearby. Maintain general industrial hygiene practices when
using this product.
Personal Protective Equipment:
Eye Protection: safety glasses with top and side shields
Skin / Hand Protection: disposable latex gloves lab coat
Inhalation Protection: adequate ventilation
Precautionary Measures: Avoid contact with: eyes skin Do not breathe: mist/vapor Wash thorough ly after
handling.
TLV: Not established
PEL: Not established
EU Occupational Exposure Limits: Not established
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9. PHYSICAL / CHEMICAL PROPERTIES
Appearance: Clear, col orless liquid
Physical State: Liquid
Odor: Sweet
pH: 9,9
Vapor Pressure: Not determined
Vapor Density (air = 1): Not determined
Boiling Point: 99掳C (210掳F)
Melting Point: -5掳C (23掳F)
Flash Point: > 100掳C (212掳F)
Method: Open cup
Autoignition Temperature: Not determined
Flammability Limits:
Lower Explosion Limits: Not determined
Upper Explosion Limits: Not determined
Specific Gravity (water = 1): 1,05
Evaporation Rate (water = 1): 0,91
Volatile Organic Compounds Content: Not applicable
Partition Coefficient (n -octanol / water): Not applicable
Solubility:
Water: Soluble
Acid: Soluble
Other: Not determined
Metal Corrosivity:
Steel: 0,006 in/yr
Aluminum: 0,003 in/yr
________ _____________________________________________________________________
10. STABILITY / REACTIVITY
Chemical Stability: Stable when stored under proper conditions.
Conditions to Avoid: Heat Evaporation
Reactivity / Incompatibility: Incompatible wit h: oxidizers
Hazardous Decomposition: Toxic fumes of: sodium oxides carbon monoxide carbon dioxide
Hazardous Polymerization: Will not occur.
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11. TOXICOLOGICAL INFOR MATION
Product Toxicological Data:
LD50: None reported
LC50: None reported
Dermal Toxicity Data: None reported
Skin and Eye Irritation Data: None reported
Mutation Data: None reported
Reproductive Effects Data: None reported
--
Ingredient Toxicological Data: Propylene Glycol: Oral rat LD50 = 20 g/kg, Sodium Sulfate: Oral mouse
LD50 = 5989 mg/kg, Sodium Thiosulfate: Oral rat LD50 > 8 g/kg
This product does NOT contain any IARC listed chemicals.
_______________________________ ______________________________________________
12. ECOLOGICAL INFORMATION
Product Ecological Information: --
No ecological data available for this product.
Ingredient Ecological Information: --
No ecological data available for the ingredients of this product.
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13. DISPOSAL CONSIDERATIONS
NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by
more stringent state or loc al requirements. Please consult your local environmental regulators for more
information. In Europe: Chemical and analysis solutions must be disposed of in compliance with the
respective national regulations. Product packaging must be disposed of in co mpliance with the country -specific
regulations or must be passed to a packaging return system.
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14. TRANSPORT INFORMATION
I.C.A.O.:
I.C.A.O. Proper Shipping Name: Not Current ly Regulated
--
ICAO Hazard Class: NA
ICAO Subsidiary Risk: NA
ICAO UN/ID Number: NA
ICAO Packing Group: NA
I.M.O.:
I.M.O. Proper Shipping Name: Not Currently Regulated
--
I.M.O. Hazard Class: NA
I.M.O. Subsidiary Risk: NA
I.M.O. UN Number: NA
I.M.O. Packing Group: NA
A.D.R.:
A.D.R. Proper Shipping Name: Not Currently Regulated
--
A.D.R Hazard Class: NA
A.D.R. Subsidiary Risk: NA
A.D.R. UN -Number:: NA
A.D.R. Packing Group: NA
Additional Information: T his product may be shipped as part of a chemical kit composed of various
compatible dangerous goods for analytical or testing purposes. This kit would have the following
classification: Proper Shipping Name: Chemical Kit Hazard Class: 9 UN Number 3316
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15. REGULATORY INFORMATION
National Inventories:
EEC Inventory Status: All ingredients used to make this product are listed on EINECS / ELINCS.
EEC Number: No t applicable
EEC LABEL COPY:
EU Symbols: Not applicable
R PHRASES: Not applicable
S PHRASES: Not applicable
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16. OTHER INFORMATION
References: 29 CFR 1900 - 1910 (Code of Federal Regulations - Labor). Air Contaminants, Federal Register,
Vol. 54, No. 12. Thursday, January 19, 1989. pp. 2332 -2983. TLV's Threshold Limit Values and Biological
Exposure Indices for 1992 -1993. American Conference of Governmental Industrial Hygienists, 1992.
Technical Judgment. In -house information. Fire Protection Guide on Hazardous Materials, 10th Ed. Quincy,
MA: National Fire Protection Fire Protection Guide on Hazardous Materials, 10th Ed. Quincy, MA: Na tional
Fire Protection Association, 1991.
R PHRASES: Not applicable
Use of the substance/preparation: Titrant solution
Revision Summary: Updates in Section(s) 14,
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Legend:
NA - Not Applicable w/w - weight/weight
ND - Not Determined w/v - weight/volume
NV - Not Available v/v - volume/volume
USER RESPONSIBILITY: Each user should read and understand this information and incorporate it in individual
site safety progra ms in accordance with applicable hazard communication standards and regulations.
THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE.
HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF
THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF.
HACH COMPANY 漏2007
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