MATERIAL SAFETY DATA SHEET
DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent


1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Product Identi??er: ChelCleanTM 620 Chelating Agent
Product Code: V620
Product Name: ChelCleanTM 620 Chelating Agent
Chemical Family: Chelant
Generic Name: Tetrasodium EDTA (low-NTA formulation)

MANUFACTURER: 24 HR. EMERGENCY TELEPHONE
HydroChem Industrial Services, Inc. NUMBERS:
900 Georgia Ave. Emergency Contact: HydroChem E Deer Park, TX 77536 Emergency Phone (800) 569-4889
Customer Service: (800) 934-9376




2. COMPOSITION/INFORMATION ON INGREDIENTS
wt.% CAS Registry #
?37
Tetrasodium salt of ethylenediaminetetraacetic acid, dihydrate 64-02-8
?1
Disodium ethylenediaminediacetate 38011-25-5
?1
Trisodium ethylenediaminetriacetate 19019-43-3
Trisodium Nitrilotriacetate <0.1 5064-31-3
?3
Sodium glycolate 2836-32-0
?1
Sodium Hydroxide 1310-73-2
?56
Water 7732 -18-5


OSHA HAZARDOUS COMPONENTS (29 CFR 1910.1200)

EXPOSURE LIMITS
OSHA PEL ACGIH TLV Supplier
Sodium Hydroxide 2 mg/m3 2 mg/m3 - STEL/ceiling



3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
PHYSICAL APPEARANCE:
Light yellow liquid

IMMEDIATE CONCERNS:
Irritating to eyes, respiratory system and skin.

MEDICAL CONDITIONS AGGRAVATED:
None speci??ed by manufacturer
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



ROUTES OF ENTRY:
Eye and skin contact



4. FIRST AID MEASURES

EYES:
Immediately ??ush eyes with water for 30 minutes while holding eyelids open. Seek medical at-
tention.

SKIN:
Immediately wash with soap and water. Rinse thoroughly. Seek medical attention if e?ects occur.
Launder contaminated shoes and clothing before reuse.

INGESTION:
Do not induce vomiting. Give 2 glasses of milk (preferred) or water and take to hospital at once.

INHALATION:
Remove to fresh air. See a doctor if e?ects occur.



5. FIRE FIGHTING MEASURES
Flashpoint and Method: Not Applicable
Flammable Limits: Not Applicable
Autoignition Temperature: Not Determined

EXTINGUISHING MEDIA:
Use alcohol foam, carbon dioxide, dry chemical or water spray when ??ghting ??res involving this
material.

HAZARDOUS COMBUSTION PRODUCTS:
When heated to decomposition, ammonia, oxides of carbon and nitrogen, cyanides and harmful
organic fumes are released.

FIRE FIGHTING PROCEDURES:
Use water fog to cool hot containers.

FIRE FIGHTING EQUIPMENT:
As in any ??re, wear self-contained breathing apparatus pressure-demand, (MSHA/NIOSH ap-
proved or equivalent) and full protective clothing to prevent contact with skin and eyes.
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



6. ACCIDENTAL RELEASE MEASURES
GENERAL PROCEDURES:
Contain with dikes.
Put in plastic drum.
Soak up residual on inert absorbant (dry sand, vermiculite, earth).
Wash spill site after material pickup is complete.



7. HANDLING AND STORAGE

GENERAL PROCEDURES:
Refer to Section 8.

STORAGE:
No special precautions required.
Store away from oxidizers.



8. EXPOSURE CONTROLS/PERSONAL PROTECTION

ENGINEERING CONTROLS:
Ventilation - General and local ventilation are required.

PERSONAL PROTECTION
EYES AND FACE:
Chemical goggles required and an eye wash in work area.

RESPIRATORY:
None normally needed. For protection from liquid mist, use NIOSH approved respirator with
mist protection.

PROTECTIVE CLOTHING:
Clean body covering and chemical resistant gloves.

OTHER USE PRECAUTIONS:
Safety shower and eye wash in the work area.
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



9. PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Liquid
Odor: Amine
Color: Light yellow
pH: >7
Percent Volatile: 56
Vapor Pressure: Same as water
Vapor Density: Same as water
Boiling Point: 223?? F
Freezing Point: -24?? F -31?? C
Solubility in Water: Completely Miscible in All Proportions
Speci??c Gravity: 1.31 (water=1)



10. STABILITY AND REACTIVITY
STABLE: Yes

HAZARDOUS POLYMERIZATION: No

HAZARDOUS DECOMPOSITION:
When heated to decomposition, ammonia, oxides of carbon and nitrogen, cyanides and harmful
organic fumes are released.

INCOMPATIBLE MATERIALS:
Oxidizing materials.
Contact with aluminum releases hydrogen.



11. TOXICOLOGICAL INFORMATION
ACUTE
Eyes: Corrosive. Rapidly causes pain, burns, corneal injury. May cause permanent damage and
blindness.
Skin: No e?ect expected. Prolonged or repeated contact may cause mild irritation.
Ingestion: Irritant. May cause pain or discomfort to mouth, throat and stomach.
Inhalation: No e?ect expected. Prolonged or repeated exposure may cause mild irritation. Mist
is irritating.

TARGET ORGANS:
Kidney, Bladder

GENERAL COMMENTS:
Carcinogens: No component of this product present at levels greater that 0.1% is listed by
IARC, USA NTP, or USA OSHA.
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



COMMENTS:
Only selected Registry of Toxic E?ects of Chemical Substances (RTECS) data is presented in this
document. See the actual entry in RTECS for complete information.

RTECS Number: AH5075000 (tetrasodium EDTA)

LD(50) = 3030 mg/kg (rats)



12. ECOLOGICAL INFORMATION

GENERAL COMMENTS:
Degradability: Not biodegradable.
Fish Toxicity: Low toxicity to ??sh (when neutralized) .
Acute LC50 (p. promelas) > 400 mg/L
Acute LC50 (Lepomis macrochirus) = 1030 mg/L



13. DISPOSAL CONSIDERATIONS

PRODUCT DISPOSAL:
Dispose of in accordance with ALL applicable federal, state and local regulations.

EMPTY CONTAINER:
Leave label on drum and sell drum to an approved drum reconditioner or triple rinse with an
appropriate solvent, crush, and ship to sanitary land??ll unless prohibited by local regulations.

RCRA/USEPA WASTE INFORMATION:
This material is not a RCRA regulated material.



14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION)
Proper Shipping Name: V620 Chelating Agent - Not Regulated
Reportable Quantity (RQ) Under CERCLA: >6000gal

SPECIAL SHIPPING NOTES:
Not regulated unless RQ exceeded in a single container.
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT)
Fire: No Pressure Generating: No Reactivity: No Acute: Yes Chronic: Yes
313 Reportable Ingredients: Sodium Hydroxide (approx. 1%)
Title III Notes: This product contains substances which are de??ned as toxic chemicals under
the reporting requirements of Section 313 of Title III of the Superfund Amendments and
Reauthorization Act of 1986 (40 CFR Part 372).

CERCLA (COMPREHENSIVE RESPONSE, COMPENSATION, AND LIABILITY ACT)
Reportable Spill Quantity: > 6000 gal

EPA
EPA RQ Ingredient: sodium hydroxide

TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA Status: All components of this material are on the TSCA inventory.

CARCINOGEN:
Trisodium Nitriloacetate (< 0.1 %)

STATE REGULATIONS
PROPOSITION 65 STATEMENT:
This product contains chemical(s) known to the state of California to cause cancer and/or repro-
ductive toxicity.



16. OTHER INFORMATION
REASON FOR ISSUE:
Biannual review

Approval date: 01/15/2001

REVISION SUMMARY
Revision #: 3

This MSDS replaces the September 25, 1998 MSDS. Any changes in information are as follows:
In Section 1
Approved by Title Reason for Issue Date Prepared

In Section 3
Physical Appearance Medical Conditions Aggravated Routes of Entry

In Section 15
 DATE PREPARED: 01/15/2001
MSDS No: V620
ChelCleanTM 620 Chelating Agent



Chronic

In Section 16
HMIS Flammability NFPA Flammability


NFPA CODES
Fire: 0 Health: 1 Reactivity: 0

HMIS CODES
Fire: 0 Health: 1 Reactivity: 0

MANUFACTURER DISCLAIMER:
[TM ] Indicates a trade or service mark of HydroChem Industrial Services, Inc.

The information herein is believed to be accurate and is presented in good faith; however, no
warranties or representations are made by HydroChem Industrial Services, Inc. regarding the
accuracy or completeness of the information.

HydroChem Industrial Services, Inc. shall not be held liable for any damage resulting from the
handling, or from contact with the above product.


Glycine, N-(carboxymethyl)-N-2-(carboxymethyl)aminoethyl-, trisodium salt