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MSDS Material Safety Data Sheet
CAS

2809-21-4
13598-36-2

File Name: carusphosphates_com---CARUSQUEST_101__Water_Treatment_Chemical_.asp
                       CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 1 of 7
MSDS # CP-353 Revision Date: October 2007 Supercedes: June 2006
Section 1 Chemical Product and Company Identification

CARUSQUEST庐101 Water Treatment Chemical
Product Name:
CARUSQUEST庐101 Water Treatment Chemical
Trade Name:
Synonyms: Diphosphonic acid solution
Information: (815) 223-1500 (815) 224-6816 (FAX)
Manufacturer鈥檚 Name:
www.caruschem.com (Web) salesmkt@caruschem.com (Email)
Carus Phosphates, Inc.
Emergency Telephone:
Manufacturer鈥檚 Address:
(800) 435 鈥?6856 (USA) (815) 223-1500 (Other countries)
Carus Phosphates, Inc.
CHEMTREC庐 (800) 424-9300 (USA)
315 Fifth Street
(703) 527-3887 (Other countries)
Peru, IL 61354, USA

Section 2 Ingredients Information

PEL- TLV-
Material CAS.NO. EC. NO. %
STEL TWA
Phosphonic acid, (1-
No Data No Data 2809-21-4 220-552-8 5-35
hydroxyethylidene)bis-
Phosphonic acid No Data No Data 13598-36-2 237-066-7 1-10
Other non-hazardous ingredients No Data No Data N/A N/A 45-70

Carcinogenicity: Not listed by NTP
Hazard Symbols:


C: Corrosive
R: 34


Risk Phrases: 34 Causes burns.
Safety Phrases: 1/2 Keep locked up and out of the reach of children 26 In case of contact with
eyes, rinse immediately with plenty of water and seek medical advice 45 In case of accident or if
you feel unwell, seek medical advice immediately (show the label where possible)

Section 3 Hazards Identification
Hazardous Materials Identification System (HMIS) Ratings:
Health: 3- Major
Flammability: 0 - None
Reactivity: 0 - None
Personnel Protective Equipment: goggles, face shield, apron, respirator and proper gloves.
Inhalation:
Mist or vapor inhalation can cause irritation to the nose, throat, and upper respiratory tract. Severe exposures can lead
to a chemical pneumonitis.
Ingestion:
Corrosive. May cause sore throat, abdominal pain, nausea, and severe burns of the mouth, throat, and stomach. Severe
exposures can lead to shock, circulatory collapse, and death.
Skin Contact:
Corrosive. May cause redness, pain, and severe skin burns.
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 2 of 7
Eye Contact:
Corrosive. May cause redness, pain, blurred vision, eye burns, and permanent eye damage.
Chronic Exposure:
Repeated contact may cause corneal damage. Repeated skin or eye contact can cause skin and eye effects.
Aggravation of Pre-existing Conditions:
Persons with pre-existing skin disorders or impaired respiratory function may be more susceptible to the effects of the
substance.

Section 4 First Aid Measures

Eyes:
Immediately flush eyes with large amounts of water for at least 15 minutes holding lids apart to ensure flushing of the
entire surface.
Skin:
Immediately wash contaminated areas with water. Remove contaminated clothing and footwear. Wash clothing and
decontaminate footwear before reuse.
Inhalation:
Remove person from contaminated area to fresh air.
Ingestion:
Never give anything by mouth to an unconscious or convulsing person. If person is conscious, give large quantities
of water or milk. Seek medical attention immediately.

Section 5 Fire Fighting Measures

NFPA* Hazard Ratings:
Health: 3= Materials which upon short-term exposure could cause serious temporary or residual injury
even though prompt medical treatment is given, including those requiring protection from all bodily contact. This
degree should include materials giving off highly toxic combustion products; or materials corrosive to living tissue or
toxic by skin absorption.
Flammability: 0= Materials that will not burn.
Reactivity: 0= Materials which in themselves are normally stable, even under fire exposure conditions,
and
which are not reactive with water.
Special Hazard: None
*National Fire Protection Association 704
First Responders:
Wear protective gloves, boots, goggles, and respirator. In case of fire, wear positive pressure breathing apparatus.
Approach incident with caution.
Flash Point: None
Flammable or Explosive Limits: Lower: Nonflammable Upper: Nonflammable
Extinguishing Media: Use large quantities of water. Dike to contain.

Section 6 Accidental Release Measures

Steps To Be Taken If Material Is Released Or Spilled:
Avoid runoff into storm sewers and ditches that lead to waterways. Clean up spills immediately. Contain spill by
collecting the liquid in a pit or holding behind a dam (sand or soil). Absorb with inert media and dispose of properly.
Disposal of all materials shall be in full and strict compliance with all federal, state, and local regulations pertaining to
phosphates. Flush area with large amounts of water
Personnel Precautions:
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 3 of 7
Personnel should wear protective clothing suitable for the task.

Section 7 Handling and Storage

Work/Hygiene Practices:
Do not breathe vapor or mist. Do not get in eyes, on skin, or on clothing. Wash hands thoroughly with soap and water
after handling solution, and before eating or smoking. Wear proper protective equipment. Remove clothing, if it
becomes contaminated.
Ventilation Requirements:
Provide sufficient mechanical and/or local exhaust.
Conditions For Safe Storage:
Do not store in metal containers. Store in a tightly closed container. Protect containers from physical damage. Store
in a cool, dry area in closed containers. Segregate from strong caustics and most metals. Reacts with most metals to
form flammable hydrogen gas. Do not mix with solutions containing bleach or ammonia.

Section 8 Exposure Controls and Personal Protection

Respiratory Protection:
In cases where overexposure to mist may occur, use any air purifying, and full face piece respirator with an N-100,
R100 or P100 filter. Engineering or administrative controls should be implemented to control mist.
Eye:
Faceshield, goggles, or safety glasses with side shields should be worn. Provide eyewash in work area.
Gloves:
Rubber or plastic gloves should be worn.
Other Protective Equipment:
Normal work clothing covering arms and legs, and rubber, or plastic apron should be worn. Caution: If clothing
becomes contaminated, wash off immediately.

Section 9 Physical and Chemical Properties

Appearance and Odor: Clear solution, distinct odor
>100 掳C
Boiling Point, 760 mm Hg:
< 0 掳C
Freezing Point, 760 mm Hg:
Vapor Pressure (mm Hg): N/A
Solubility In Water % By Solution: Miscible in all proportions
Percent Volatile By Volume: 68% (as water)
Evaporation Rate: Same as water
Specific Gravity: 1.23卤0.03
pH: 2.0卤0.5

Section 10 Stability and Reactivity

Stability: Under normal conditions, the material is stable.
Conditions To Avoid: Do not expose to extreme temperatures.
Incompatible Materials: Strong caustics, most metals, solutions containing bleach and or
ammonia. Soluble calcium salt solutions and hydrofluoric or
hydrofluosilicic acid could cause precipitations.
Hazardous Decomposition: When involved in a fire, the material may form toxic fumes of
carbon monoxide, carbon dioxide, phosphorous oxides and
phosphines.
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 4 of 7
Conditions Contributing To Material is not known to polymerize.
Hazardous Polymerization:
Section 11 Toxicological Information

Acute Toxicity:
Corrosive to eyes (rabbit). Practically non-irritating to skin (rabbit).
CAS# 2809-21-4: Oral, rat: LD50 = 2400 mg/Kg
Carcinogenicity:
ACGIH, OSHA, NTP, IARC or CA Prop 65 has classified none of the components as a carcinogen.
Medical Conditions Generally Aggravated by Exposure:
Phosphonic acid solution will cause further irritation of tissue, open wounds, burns or mucous membranes.

Section 12 Ecological Information

Environmental Fate:
When released into the soil, this material may leach into groundwater. When released to water, natural water
hardness minerals may readily reduce acidity. The phosphate, however, may persist indefinitely. During transport
through the soil, phosphonic acid will dissolve some of the soil material, in particular, carbonate-based materials.
The acid will be neutralized to some degree. However, significant amounts of acid will remain for transport down
toward the groundwater table.
Environmental Toxicity:
CAS# 2809-21-4: Fish: Rainbow trout : LC50 = 368 mg/L, 96 Hr
Bluegill sunfish: LC LC50 = 868 mg/L, 96 Hr
Other:
Dangerous to aquatic life in high concentrations.

Section 13 Disposal Considerations

Waste Disposal:
Disposal of all materials shall be in full and strict compliance with all federal, state, and local regulations pertaining to
phosphates. 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. When discarded, this
material is a hazardous waste (D002, Compound/characteristic: Corrosivity) as that term is defined by the Resource,
Conservation and Recovery Act (RCRA), 40 CFR 261.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

Section 14 Transport Information

USA (Land, D.O.T.) Proper Shipping Name: Corrosive liquid, acidic, organic,
n.o.s. (Phosphonic acid, (1-hydroxyethylidene)bis-)
European Labeling in accordance with EC directive
(Air, I.C.A.O.) Hazard Class or Division: 8
ID Number: UN 3265
Packing Group: II
European Labeling in accordance with ID Number: UN 3265
Road/Rail Transport (ADR/RID) ADR/RID Class: 8
Packing Group: II
Description of Goods: Corrosive liquid, acidic, organic,
n.o.s. (Phosphonic acid, (1-hydroxyethylidene)bis-)
Hazard Identification No. 88
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 5 of 7
European Labeling in accordance with EC directive Proper Shipping Name: Corrosive liquid, acidic, organic,
n.o.s. (Phosphonic acid, (1-hydroxyethylidene)bis-)
(Water, I.M.O.)
Class/Division: 8
ID Number: UN 3265
Packing Group: II
Marine Pollutant: No
EmS: F-A, S-B

Section 15 Regulatory Information

European and International Regulations:
Markings according to EU guidelines:
The product has been classified and marked in accordance with EU directives/ordinances on hazardous materials.
UN Number : 3265

Chemical Ingredients Name CAS NO. EINECS
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 220-552-8
Phosphonic acid 13598-36-2 237-066-7

Code Letter And Hazard Designation Of The Product:

C: Corrosive
R: 34

Risk Phrases: 34 Causes burns.
Safety Phrases: 1/2 Keep locked up and out of the reach of children 26 In case of contact
with eyes, rinse immediately with plenty of water and seek medical advice 45 In case of accident
or if you feel unwell, seek medical advice immediately (show the label where possible)

US Federal Regulations:

Chemical Inventory Status 鈥? Part 1
Ingredient CAS. NO. TSCA EC Japan Australia
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 Yes Yes Yes Yes
Phosphonic acid 13598-36-2 Yes Yes Yes Yes
Chemical Inventory Status 鈥? Part 2 --- Canada---
Ingredient CAS. NO. Korea DSL NDSL PHIL
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 Yes Yes No Yes
Phosphonic acid 13598-36-2 Yes Yes No Yes

This product has been classified in accordance with the hazard criteria of the Controlled Products Regulation (CPR,
Canada) and the MSDS contains all of the information required by the CPR.

Federal, State & International Regulations 鈥? Part 1
SARA 302 SARA 313
Ingredient CAS. NO. RQ TPQ List Chemical Catg.
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 No No No No
Phosphonic acid 13598-36-2 No No No No
Federal, State & International Regulations 鈥? Part 2
Ingredient CAS. NO. CERCLA RCRA TSCA 8(d)
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 No D002 No
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 6 of 7
Phosphonic acid 13598-36-2 No D002 No

Ingredient CAS. NO. CWC TSCA 12(b) CDTA SARA
311/312
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 No No 10,000 lbs
Phosphonic acid 13598-36-2 No No 10,000 lbs
Ingredient CAS. NO. Acute Chronic Fire Pressure Reactivity Pure/Liquid
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 Yes Yes No No No Liquid
Phosphonic acid 13598-36-2 Yes Yes No No No Liquid
Ingredient CAS. NO. Australian Hazchem Code Poison Schedule WHMIS IDL*
Phosphonic acid, (1-hydroxyethylidene)bis- 2809-21-4 E No
Phosphonic acid 13598-36-2 E No
* Canadian Ingredient Disclosure List
State
CAS# 2809-21-4 is not found on the following state right to know lists: California, New Jersey, Pennsylvania, and
Massachusetts. CAS# 13598-36-2 is found in the New Jersey state Right to Know list.

Section 16 Other Information

NIOSH: National Institute for Occupational Safety and Health
MSHA: Mine Safety and Health Administration
OSHA: Occupational Safety and Health Administration
NTP: National Toxicology Program
IARC: International Agency for Research on Cancer
PEL: Permissible Exposure Limit
DSL/NDSL: The Domestic Substances and the Non-Domestic Substances List ( Canada)
TLV-TWA: Threshold Limit Value-Time Weighted Average
CAS: Chemical Abstract Service
EINECS: Inventory of Existing Chemical Substances (European) (EC. No.)

The information contained herein is accurate to the best of our knowledge. However, data, safety standards and
government regulations are subject to change and, therefore, holders and users should satisfy themselves that they
are aware of all current data and regulations relevant to their particular use of product. CARUS PHOSPHATES,
INC. DISCLAIMS ALL LIABILITY FOR RELIANCE ON THE COMPLETENESS OR ACCURACY OR THE
INFORMATION INCLUDED HEREIN. CARUS PHOSPHATES, INC. MAKES NO WARRANTY, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTIES OF
MERCHANTIABILITY OR FITNESS FOR PARTICULAR USE OR PURPOSE OF THE PRODUCT
DESCRIBED HEREIN. All conditions relating to storage, handling, and use of the product are beyond the control
of CARUS PHOSPHATES, INC., and shall be the sole responsibility of the holder or user of the product.

CARUS PHOSPHATES, INC. IS A SUBSIDIARY OF CARUS CORPORATION, 315 FIFTH STREET, PERU, IL

Chithambarathanu
Pillai

October 2007
CARUSQUEST庐101 WATER TREATMENT CHEMICAL
EC- SAFETY DATA SHEET according to EC directive 2001/58/EC
MATERIAL SAFETY DATA SHEET
Page 7 of 7


is a registered service mark of Carus Corporation. CARUSQUEST庐is a registered trademark of Carus Corporation.
Responsible Care庐 is a registered service mark of the American Chemistry Council.

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