HARD-N-TUFF
MATERIAL SAFETY DATA SHEET
02/05/00
MSDS PROVIDED BY:
STOODY INDUSTRIAL AND WELDING SUPPLY, INC.
3316 National Ave., San Diego, CA 92113
Phone: (619) 234-6750
MILITARY EMERGENCY RESPONSE NUMBER 1 (800) 851-8061
HMIS rating : Health 2*, Flammability : 1, Reactivity : 0
SECTION II ?HAZARDOUS INGREDIENTS
LC50 ppm LD50 mg/kg
Ingredients CAS # Wt. % (Rat, ihl.) (Rat, oral)
Chromium Oxide 1308-38-9 15 n/av n/av
Ammonium Chloride 12125-02-9 6.3 n/av n/av
Sodium borate 10043-35-3 6.3 n/av n/av
Manganese Dioxide 1313-13-9 5-10 n/av n/av
Calcined Petroleum Coke 64743-05-1 5-10 n/av n/av
Flour
Soda Ash 497-19-8 5-10 n/av n/av
Titanium Dioxide 13463-67-7 5-10 n/av n/av
Silica, amorphous, fumed 7631-86-9 5-10 n/av n/av
SECTION III 璓HYSICAL DATA
Physical State:
Odor and Appearance: Green powder, slight ammonia odor
Odor threshold: 0.7ppm (perception) for ammonia
Specific Gravity 0.71
Coefficient of water/oil distribution: n/av
Vapor pressure (mm Hg): n/av
Boiling Point n/ap
Freezing point (melting point): 520篊
PH: n/av
Vapor Density (Air=1) n/av
Evaporation Rate (BuAe=1): n/av
Volatiles, %: n/av
Solubility in Water: 48%
SIWS PROVIDES MSDS AS A COURTESY. TO ENSURE ACCURATE AND CURRENT DATA, OBTAIN AND USE ONLY MSDS FROM MANUFACTURER
HARD-N-TUFF
MATERIAL SAFETY DATA SHEET
HARD-N-TUFF ?PAGE 2
SECTION IV-FIRE AND EXPLOSION HAZARD DATA
Conditions of flammability: Not flammable; unless very dense dust cloud formation (as applicable to all
kinds of dense dust cloud)
Means of extinction: n/av
Sensitivity to mechanical impact/static discharge: n/av
Flash point (Method): n/ap
Upper flammable limit %: n/av
Lower flammable limit %: n/av
Auto-ignition temperature: n/av
SECTION V-REACTIVITY DATA
Stability: Stabel Hazardous polymerization will not occur.
Incompatable materials: Strong oxidizing agents, and metals e.g. Lithium.
Conditions of reactivity: Stable under amvient temperature and pressure. Do not mix with other materials.
Use only as directed.
Hazardous decomposition products: Thermal decomposition yields oxides of nitrogen, oxides of carbon,
ammonia, chloride, oxide of sodium.
SECTION VI- TOXICOLOGICAL PROPERTIES
*** Routes of exposure and acute/chronic effects***
Exposure limit: 0.5mg/m3 for chromium oxide (ACGIH-TLV)
Inhalation: Irritation of respiratory tract. Fumes are toxic.
Skin: May cause irritation. Trivalent chromium compounds have been reported to cause allergic dermatitis.
Eyes: Irritation.
Ingestion: Irritation of gastrointestinal tract.
Chronic effects: Possible hematologic effects and kidney damage.
Carcinogenicity: None listed (ACGIH-TLV, IARC)
Reproductive effects, Teratogenicity, Mutagenicity: n/av
SECTION VII- FIRST AID
Inhalatin: Remove to fresh air. If breathing stopped, begin artificial respiration. Call physician
Skin: Flush with water for at least 15 minutes, call physician if irritation persists.
Eyes: Flush with water for at least 15 minutes, call physician.
Ingestion: Do not induce vomiting. Obtain medical attention immediately.
2
SIWS PROVIDES MSDS AS A COURTESY. TO ENSURE ACCURATE AND CURRENT DATA, OBTAIN AND USE ONLY MSDS FROM MANUFACTURER