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File Name: espi-metals_com---hafniumcarbide.asp
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MATERIAL SAFETY DATA SHEET


I PRODUCT IDENTIFICATION

Hafnium Carbide Metal Carbide
Trade Name: Ch em ical Fam ily:
HfC 12069 -85-1
Form ula: CAS #:


II HAZAR DOUS INGRED IENTS

TLV: 0.5 m g/m 3 OSHA PEL : 0.5 m g/m 3 (As Hf)
Hafnium C arbide %: 100
HM IS Rating: Health: 2 Reactivity: 2 Flam mab ility: 1 Personal Protection: J


III PHYSICAL DATA

3890 oC
Boiling Point ( oF): No data Melting Point:
12.20 N/A
Vapo r Density: Specific Gravity:
Insoluble Black powder, no odor
Solubility in H 2O: Appearance and Odor:
May form meth ane ga s.
Other:


IV FIRE AND EXPLOSION H AZARDS DATA

Flash Point (Method used): N/A Flam mab ility: Dust explosion Hazard.
Special Fire Fighting Procedures: We ar NIOS H/M SH A approve d self-c ontained breathing apparatus and full pro tective clothing.
DO NOT USE W ATER!

Unusual Fire and Explosion Hazards: Dust explosion hazard. Material may form flammable methane gas on contact with water or
moisture. Material may also generate toxic fumes if involved in a fire.


V HEALTH HAZARD INFORMATION

Toxicity Da ta: No data on this compound.

Route(s) of Entry: Inhalation

Effects of Overexposure:
Inhalation: Mild respira tory irritant. M ay ac t as a nu isance dust.
Derma l/Eye Contact: Mechan ical irritant. Watering & inflamma tion may oc cur.
Other: Chronic exposure to Hf compound s may lead to liver damage.

Medical Conditions Generally Aggravated by Exposure: Previous respiratory an d eye d isorders.
Carcino genicity: None NTP: No IARC M onographs: No OSH A Regulated: No
EMERG ENCY AND FIRST AID PROCEDURES:

INGESTION: Induce vomiting. Seek medical attention.
INHALATION: Remove victim to fresh air. Administer oxygen. Seek medical attention.
SK IN: Brush material off skin. Wash affected area with soap and water.
EYE: Flush eyes with water for 15 minutes. Seek medical attention.


VI REACTIVITY DATA

Stability: Stable
Cond itions Contributing to Instability: Heat, moisture.
Co nditio ns to Av oid: Open flame, heat, mo isture, Incom patibles.
Incompatibility (Materials to Avoid): Strong ac ids, and oxidizing m aterials.
Haz ardous D ecomposition Produc ts: H 2 gas from contact w ith acids.
Hazardous Polymerization: Will not occur


VII SPILL OR LEAK PROC EDURES

Steps to Be Taken in Case Material Is Released or Spilled: Wearing full protective clothing, isolate the area and insure proper
ven tilation. V acuum up sp ill and p lace in a con tainer for proper disp osal. T ake care n ot to raise dust.

Waste Disposal Method: In accord ance w ith regulations.


VIII SPECIAL PROTECTION INFORMATION

Respiratory Protection: NIOSH /MSH A app roved respirator.
Ventilation: Use local exhaust to maintain exposure below TLV. M echanical (general) is recomm ended
Special Ventilation Req uirements: Handle in controlled, inert atmosphere.

Protective Gloves: Neoprene
Eye Protection: Safety glasses w ith side shields.
Other Protective Clothing: Wear full protective clo thing at all times.


IX SPECIAL PRECAUTIONS

Other Handling and Storage Conditions: Store in tightly closed containers in a cool, dry place. Wash hands and face thoroughly.
Transpo rtation Requ irements: Not classified by D.O.T.

Wo rk Practices: Imp lem ent en gineering and wo rk practice controls to re duc e and ma intain c onc entration o f exp osure at low levels.
Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and
smoking. Do not blow dust off clothing or skin with compressed air. Maintain eyewash capable of sustained flushing, safety drench
shower and facilities for washing.

The abo ve inform ation is believ ed to be co rrect, but do es no t purp ort to b e all inclu sive, an d sha ll be used only as a gu ide.
ESPI shall not be held liab le for any d am age resulting from h and ling o r from contact with the abov e pro duc t.


Prepared by: S. Dierks
Dated: July 1993




-Hafnium Carbide 2-

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