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hafnium atom
CAS No.: 7440-58-6
Synonyms:
Formula: Hf
Exact Mass: 179.94700
Molecular Weight: 178.49000
PSA: 0.00000
LogP: 0.00000
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hafnium atom 7440-58-6 MSDS
Name: Hafnium atomic absorption standard solution 1 mg/ml Hf in 5% HF Material Safety Data Sheet
Synonym: None
CAS: 7440-58-6
Section 1 - Chemical Product   MSDS Name:Hafnium atomic absorption standard solution 1 mg/ml Hf in 5% HF Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7440-58-6 Hafnium 0.1 231-166-4
Hazard Symbols: T+ C
Risk Phrases: 26/27/28 35

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Very toxic by inhalation, in contact with skin and if swallowed.
Causes severe burns.Corrosive.
Potential Health Effects
Eye:
Causes eye burns. Contact with eyes may cause severe irritation, and possible eye burns. May cause chemical conjunctivitis and corneal damage.
Skin:
Causes skin burns. May cause severe irritation and possible burns.
May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. May cause systemic effects.
Inhalation:
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects.
Chronic:
Effects may be delayed.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed.
Spills of HF should be flushed until medical attention arrives.
SPEEDY ACTION IS CRITICAL! GET MEDICAL ATTENTION IMMEDIATELY! Skin:
Get medical aid immediately. Wash clothing before reuse. Destroy contaminated shoes. Spills of HF should be flushed until medical attention arrives. SPEEDY ACTION IS CRITICAL! GET MEDICAL ATTENTION IMMEDIATELY.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Not available.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Use only in a well-ventilated area. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Discard contaminated shoes.
Storage:
Keep container closed when not in use. Corrosives area.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 7440-58-6: United States OSHA: 0.5 mg/m3 TWA Belgium - TWA: 0.5 mg/m3 VLE France - VME: 0.5 mg/m3 VME Germany: 0.5 mg/m3 TWA (inhalable fraction) Malaysia: 0.5 mg/m3 TWA Netherlands: 0.5 mg/m3 MAC Spain: 0.5 mg/m3 VLA-ED CAS# 7664-39-3: United Kingdom, WEL - TWA: 1.8 ppm TWA (as F); 1.5 mg/m3 TWA (as United Kingdom, WEL - STEL: 3 ppm STEL (as F); 2.5 mg/m3 STEL (as United States OSHA: 3 ppm TWA Belgium - TWA: 1.8 ppm VLE; 1.5 mg/m3 VLE Belgium - STEL: 3 ppm VLE; 2.5 mg/m3 VLE France - VLE: 3 ppm VLE; 2.5 mg/m3 VLE Germany: 3 ppm TWA; 2.5 mg/m3 TWA Germany: Skin absorber Japan: 3 ppm Ceiling; 2.5 mg/m3 Ceiling Malaysia: 3 ppm Ceiling (as F); 2.3 mg/m3 Ceiling (as F) Netherlands: 3.3 ppm STEL; 2.5 mg/m3 STEL (as F) Russia: 0.5 mg/m3 TWA Russia: 0.1 mg/m3 STEL Spain: 1.8 ppm VLA-ED; 1.5 mg/m3 VLA-ED Spain: 3 ppm VLA-EC; 2.5 mg/m3 VLA-EC CAS# 7732-18-5: Personal Protective Equipment Eyes: Wear chemical splash goggles and face shield.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Clear liquid
Color: clear, colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: miscible
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Hydrogen fluoride gas.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7440-58-6: MG4600000 CAS# 7664-39-3: MW7875000 CAS# 7732-18-5: ZC0110000 LD50/LC50:
Not available.
CAS# 7664-39-3: Inhalation, mouse: LC50 = 342 ppm/1H; Inhalation, mouse: LC50 = 5000 mg/m3/5M; Inhalation, mouse: LC50 = 270 mg/m3/60M; Inhalation, rat: LC50 = 1276 ppm/1H; Inhalation, rat: LC50 = 1100 mg/m3/60M.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
Carcinogenicity:
Hafnium - Not listed by ACGIH, IARC, or NTP.
Hydrofluoric acid - Not listed by ACGIH, IARC, or NTP.
Water - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: HYDROFLUORIC ACID
Hazard Class: 8 (6.1)
UN Number: 1790
Packing Group: II
IMO
Shipping Name: HYDROFLUORIC ACID
Hazard Class: 8 (6.1)
UN Number: 1790
Packing Group: II
RID/ADR
Shipping Name: HYDROFLUORIC ACID SOLUTION
Hazard Class: 8
UN Number: 1790
Packing group: II
USA RQ: CAS# 7664-39-3: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ C
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with
skin and if swallowed.
R 35 Causes severe burns.
Safety Phrases:
S 7/9 Keep container tightly closed and in a
well-ventilated place.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37 Wear suitable protective clothing and
gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7440-58-6: No information available.
CAS# 7664-39-3: 1
CAS# 7732-18-5: No information available.
Canada
CAS# 7440-58-6 is listed on Canada's DSL List.
CAS# 7664-39-3 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 7440-58-6 is listed on Canada's Ingredient Disclosure List.
CAS# 7664-39-3 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7440-58-6 is listed on the TSCA inventory.
CAS# 7664-39-3 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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