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MSDS Material Safety Data Sheet
CAS

10043-01-3 7732-18-5

File Name: 10043-01-3_7732-18-5.asp

Material Safety Data Sheet
ST-ALKALI FREE LIQUID ACCELERATOR

1. PRODUCT AND COMPANY IDENTIFICATION

PRODUCT NAME: ST-Alkali Free Liquid Accelerator

PRODUCT USE: Shotcrete Accelerator

MANUFACTURER: Shotcrete Technologies, Inc.
1431 Miner Street, PO Box 3274
Idaho Springs, CO 80452

FOR MORE INFORMATION CALL: 303-567-4871 IN CASE OF EMERGENCY CALL: 800-631-8050
(Monday-Friday, 9:00am-4:30pm) (24 Hours/Day, 7 Days/Week)

2. COMPOSITION/INFORMATION ON INGREDIENTS

CAS NUMBER WEIGHT %
Aluminum Sulfate 10043-01-3 ( 50
Acrylic copolymer (anhydrous) (2
Water 7732-18-5 Balance

Trace impurities and additional material names not listed above may also appear in Section 15 towards the end of the MSDS. These
materials may be listed for local "Right-To-Know" compliance and for other reasons.




3. HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW: A clear, odorless light green or amber liquid. Can irritate the
skin and eyes. Not flammable, but may release toxic vapors if decomposed in a fire.


POTENTIAL HEALTH HAZARDS HEALTH HAZARD DATA: HMIS Hazard Rating
No. 2 (Moderate)
SKIN: May cause skin irritation.

EYES: May strongly irritate or burn the eyes.

INHALATION: Product mists may cause irritation to the respiratory tract.

INGESTION: May irritate the gastrointestinal tract. Concentrated solutions may cause burns to the digestive tract.

DELAYED EFFECTS: None known.

Ingredients found on one of the three OSHA designated carcinogen lists are listed below.

INGREDIENT NAME NTP STATUS IARC STATUS OSHA LIST
No ingredients listed in this section.




MSDS Number: Page 1
Current Issue Date: March, 2005
MATERIAL SAFETY DATA SHEET
ST-ALKALI FREE LIQUID ACCELERATOR

4. FIRST AID MEASURES

SKIN: Flush with plenty of water, remove contaminated clothing. If irritation develops, get medical attention.

EYES: Immediately flush with water, continuing for at least 15 minutes. If irritation persists, get medical attention.

INHALATION: Promptly remove to fresh air.

INGESTION: If conscious, immediately give large quantity of water or milk. If not already vomiting, induce vomiting by
touching finger to back of throat, Get immediate medical assistance.

ADVICE TO PHYSICIAN: Treat symptomatically

5. FIRE FIGHTING MEASURES

FLAMMABLE PROPERTIES

FLASH POINT: Not flammable
FLASH POINT METHOD: Not applicable
AUTOIGNITION TEMPERATURE: Not applicable
UPPER FLAME LIMIT (volume % In air): Not applicable
LOWER FLAME LIMIT (volume % In air): Not applicable
FLAME PROPAGATION RATE (solids): Not applicable
OSHA FLAMMABILITY CLASS: Not applicable

EXTINGUISHING MEDIA:
Product is not flammable. Use any extinguishing agent suitable for surrounding fire.

UNUSUAL FIRE AND EXPLOSION HAZARDS:
None.

SPECIAL FIRE FIGHTING PRECAUTIONS/INSTRUCTIONS:
Use self-contained breathing apparatus. Use water spray to keep containers cool.

6. ACCIDENTAL RELEASE MEASURES

IN CASE OF SPILL OR OTHER RELEASE: (See section 8 for recommended personal protective equipment.)
Dilute small spills or leaks cautiously with plenty of water. Neutralize any further residue with alkali such as soda ash, lime
or limestone. Adequate ventilation is required if soda ash or limestone is used, because of the consequent release of
carbon dioxide gas. Large spills: dike up with soda ash and neutralize as above. Collect liquid and/or residue and
dispose of in accordance with applicable regulations.

Spills and releases may have to be reported to Federal and/or local authorities. See section 15 regarding reporting requirements.




MSDS Number: Page 2
Current Issue Date: March, 2005
MATERIAL SAFETY DATA SHEET
ST-ALKALI FREE LIQUID ACCELERATOR

7. HANDLING AND STORAGE

NORMAL HANDLING: (See section 8 for recommended personal protective equipment.)
Avoid contact with skin, eyes, and clothing. Do not breathe product mists.

STORAGE RECOMMENDATIONS:
Store in a cool area.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

ENGINEERING CONTROLS:
Use local exhaust if misting is anticipated.

PERSONAL PROTECTIVE EQUIPMENT

SKIN PROTECTION: Wear impervious (e.g. rubber) gloves and apron and full work clothing including long sleeved
shirts, trousers and boots. Full impervious clothing is recommended if prolonged contact is
anticipated.

EYE PROTECTION: Wear chemical safety goggles. Do not wear contact lenses.

RESPIRATORY A NIOSH approved mist respirator should be worn in areas where product mists are present.
PROTECTION:

ADDITIONAL The presence of an eyewash and safety shower is recommended.
RECOMMENDATIONS:

EXPOSURE GUIDELINES:

INGREDIENT NAME ACGIH TLV OSHA PEL OTHER LIMIT
Aluminum sulfate (as Aluminum) 2 mg/m ? 2 mg/m ? None.
1
= Limit established.
?= Workplace Environmental Exposure Level (AIHA).
?= Biological Exposure Index (ACGIH)

OTHER EXPOSURE LIMITS FOR POTENTIAL DECOMPOSITION PRODUCTS:
None.

9. PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE: Clear, light green or amber liquid.
PHYSICAL STATE: Liquid
MOLECULAR WEIGHT: -594 for Al2(SO4)3?4H2O

CHEMICAL FORMULA: ( 50 Al2(SO4)3?4H2O in water
Acrylic Copolymer (2
ODOR: Odorless
SPECIFIC GRAVITY: 1.335




MSDS Number: Page 3
Current Issue Date: March, 2005
MATERIAL SAFETY DATA SHEET
ST-ALKALI FREE LIQUID ACCELERATOR

SOLUBILITY IN WATER (weight %): 100
pH: -3.5 (1% solution)
BOILING POINT: 101癈
MELTING POINT: -16癈
VAPOR PRESSURE: Not applicable
VAPOR DENSITY (air = 1.0): Not applicable
EVAPORATION RATE: Not determined. COMPARED TO: Not applicable
% VOLATILES: -50
FLASH POINT: Not flammable
(Flash point method and additional flammability data are found in section 5.)


10. STABILITY AND REACTIVITY

NORMALLY STABLE? (CONDITIONS TO AVOID):
Normally stable. If evaporated to dryness, residue should not be exposed to elevated temperatures (above 760癈),
as this will yield toxic and corrosive gases.

INCOMPATIBILITIES:
Alkalis and water reactive materials such as oleum: causes exothermic reactions.

HAZARDOUS DECOMPOSITION PRODUCTS:
At elevated temperatures, sulfur oxides may be formed. These are toxic and corrosive and are oxidizers. Sulfur
trioxide is also a fire hazard. The loss of these gases leaves a caustic residue.

HAZARDOUS POLYMERIZATION:
Will not occur.

11. TOXICOLOGICAL INFORMATION

IMMEDIATE (ACUTE) EFFECTS:
Aluminum sulfate:
LD50 (oral, mouse): 6207 mg/kg
LD50 (oral, rat): 1930 mg/kg

DELAYED (SUBCHRONIC AND CHRONIC) EFFECTS:
Data not available.

OTHER DATA:
None




12. ECOLOGICAL INFORMATION

Aluminum sulfate:
14 ppm/36 hr/ fundulus/fatal/fresh water.
240 ppm/48 hr/mosquito fish/TLm/water type not specified.




MSDS Number: Page 4
Current Issue Date: March, 2005
MATERIAL SAFETY DATA SHEET
ST-ALKALI FREE LIQUID ACCELERATOR


The following ingredients are SARA 313 "Toxic Chemicals" and may be subject to annual reporting requirements.
CAS numbers and weight percents are found in Section 2.

INGREDIENT NAME COMMENT
No ingredients listed in this section.

STATE RIGHT TO KNOW

In addition to the ingredients found in Section 2, the following are listed for state right-to-know purposes.

INGREDIENT NAME WEIGHT % COMMENT
No ingredients listed in this section.

ADDITIONAL REGULATORY INFORMATION:
None listed

WHMIS CLASSIFICATION (CANADA):
E (corrosive based upon transportation classification) , D2B.
Classified in accordance with WHMIS Controlled Product regulations.

FOREIGN CHEMICAL CONTRO INVENTORY STATUS:
All ingredients listed on Canadian DSL.


16. OTHER INFORMATION

CURRENT ISSUE DATE: March 2005




OTHER INFORMATION: Not for Food or Drug Use, unless specifically marked and labeled as such.




MSDS Number: Page 5
Current Issue Date: March, 2005

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