1.
Product Identification
Synonyms : Sodium hydrogen fluoride; Sodium difluoride;
CAS No : 1333-83-1
Molecular Weight : 61.99
Chemical Formula : NaHF2
2.
Composition/Information on Ingredients
|
Ingredient
|
CAS
No
|
Percent
|
Hazardous
|
|
Sodium
Bifluoride
|
1333-83-1
|
98%min
|
Yes
|
3. Hazards Identification
Emergency Overview
DANGER! MAY BE FATAL IF SWALLOWED OR INHALED. AFFECTS RESPIRATORY
SYSTEM, HEART, SKELETON, CIRCULATORY SYSTEM, CENTRAL NERVOUS
SYSTEM AND KIDNEYS. CAUSES IRRITATION AND BURNS TO SKIN,
EYES AND RESPIRATORY TRACT. IRRITATION AND BURN EFFECTS
MAY BE DELAYED. HARMFUL IF ABSORBED THROUGH SKIN.
HEBEI KINGWAY CHEMICAL INDUSTRY CO., LTD. (Provided
here for your convenience)
|
Health
Rating :
|
3
- Severe (Poison)
|
|
Flammability
Rating :
|
0
- None
|
|
Reactivity
Rating :
|
2
- Moderate
|
|
Contact
Rating :
|
4
- Extreme (Corrosive)
|
|
Lab
Protective Equip :
|
GOGGLES;
LAB COAT; VENT HOOD; PROPER GLOVES
|
|
Storage
Color Code :
|
White
(Corrosive)
|
Potential
Health Effects :
If inhaled or swallowed, this compound can cause fluoride
poisoning. Early symptoms include nausea, vomiting, diarrhea,
and weakness. Later effects include central nervous system
effects, cardiovascular effects and death.
Inhalation :
May cause irritation and burns to the respiratory tract,
symptoms may include coughing, sore throat, and labored
breathing. May be absorbed through inhalation of dust; symptoms
may parallel those from ingestion exposure. Irritation and
burning effects may not appear immediately.
Ingestion :
May cause salivation, nausea, vomiting, diarrhea, and abdominal
pain, followed by symptoms of weakness, tremors, shallow
respiration, carpopedal spasm, convulsions, and coma. May
cause brain and kidney damage. Affects heart and circulatory
system. Death may be caused by respiratory paralysis. Lethal
dose estimated at between 1 teaspoonful and 1 oz.
Skin Contact :
Causes irritation and burns to the skin. Effects may not
appear immediately.
Eye Contact :
Causes irritation. May be extremely irritating with possible
burns to eye tissue and permanent eye damage may result.
Chronic Exposure :
Chronic exposure may cause mottling of teeth and bone damage
(osteosclerosis) and fluorosis. Symptoms of fluorisis include
brittle bones,weight loss, anemia, calcified ligaments,
general ill health and joint stiffness.
Aggravation of Pre-existing Conditions :
Populations that appear to be at increased risk from the
effects of fluoride are individuals that suffer from diabetes
insipidus or some forms of renal impairment.
4.
First Aid Measures
First aid procedures should be pre-planned for fluoride
compound emergencies.
Inhalation :
If inhaled, remove to fresh air. If not breathing, give
artificial respiration. If breathing is difficult, give
oxygen. CALL A PHYSICIAN IMMEDIATELY.
Ingestion :
Administer milk, chewable calcium carbonate tablets or milk
of magnesia. Never give anything by mouth to an unconscious
person. CALL A PHYSICIAN IMMEDIATELY.
Skin Contact :
Wipe off any excess material from skin and then immediately
flush skin with large amounts of soapy water. Remove contaminated
clothing and shoes. Wash clothing before re-use. Apply bandages
soaked in magnesium sulfate. CALL A PHYSICIAN IMMEDIATELY.
Eye Contact :
Immediately flush eyes with gentle but large stream of water
for at least 15 minutes, lifting lower and upper eyelids
occasionally. Call a physician immediately.
Note to Physician:
For large exposures, systemic effects (hypocalcemia and
hypomagnesia) may occur.
5.
Fire Fighting Measures
Fire :Not considered to be a fire hazard.
Explosion :Contact with water and metal at the same time
may evolve flammable hydrogen gas.
Fire Extinguishing Media :Dry chemical, foam or carbon dioxide.
Do not use water.
Special Information :In the event of a fire, wear full protective
clothing and NIOSH- approved self-contained breathing apparatus
with full facepiece operated in the pressure demand or other
positive pressure mode.
6. Accidental Release Measures
Ventilate area of leak or spill. Wear appropriate personal
protective equipment as specified in Section 8. Spills:
Pick up and place in a suitable container for reclamation
or disposal, using a method that does not generate dust.
US Regulations (CERCLA) require reporting spills and releases
to soil, water and air in excess of reportable quantities.
The toll free number for the US Coast Guard National Response
Center is (800) 424-8802.
7.
Handling and Storage
Keep in a tightly closed container. Store in a cool, dry,
ventilated area. Protect against physical damage. Separate
from acids and alkalis. Do not store in metal containers,
as contact with moisture and metal at the same time may
release flammable hydrogen gas. Containers of this material
may be hazardous when empty since they retain product residues
(dust, solids); observe all warnings and precautions listed
for the product.
8.
Exposure Controls/Personal Protection
Ventilation System:
A system of local and/or general exhaust is recommended
to keep employee exposures below the Airborne Exposure Limits.
Local exhaust ventilation is generally preferred because
it can control the emissions of the contaminant at its source,
preventing dispersion of it into the general work area.
Please refer to the ACGIH document, Industrial Ventilation,
A Manual of Recommended Practices, most recent edition,
for details.
Personal Respirators (NIOSH Approved):
If the exposure limit is exceeded, a half-face dust/mist
respirator may be worn for up to ten times the exposure
limit or the maximum use concentration specified by the
appropriate regulatory agency or respirator supplier, whichever
is lowest. A full-face piece dust/mist respirator may be
worn up to 50 times the exposure limit, or the maximum use
concentration specified by the appropriate regulatory agency,
or respirator supplier, whichever is lowest. For emergencies
or instances where the exposure levels are not known, use
a full-facepiece positive-pressure, air-supplied respirator.
WARNING: Air-purifying respirators do not protect workers
in oxygen-deficient atmospheres.
Skin Protection:
Wear impervious protective clothing, including boots, gloves,
lab coat, apron or coveralls, as appropriate, to prevent
skin contact.
Eye Protection:
Use chemical safety goggles and/or full face shield where
dusting or splashing of solutions is possible. Maintain
eye wash fountain and quick-drench facilities in work area.
9.
Physical and Chemical Properties
|
Appearance
:
|
White
crystals
|
|
Odor
:
|
Odorless
|
|
Solubility
:
|
4.15g/l00
g Water @ 25C (68F)
|
|
Specific
Gravity :
|
2.08
|
|
Ph
:
|
3.5
(5% solution)
|
|
%
Volatiles by volume @ 21C (70F) :
|
0
|
|
Boiling
Point :
|
240C
(464F)
|
|
Melting
Point :
|
124.6C
(257F)
|
|
Vapor
Density (Air=1) :
|
No
information found
|
|
Vapor
Pressure (mm Hg) :
|
No
information found
|
|
Evaporation
Rate (BuAc=1):
|
No
information found
|
10.
Stability and Reactivity
Stability: Stable under ordinary conditions
of use and storage.
Hazardous Decomposition Products:
Emits toxic fumes of hydrogen fluoride, nitric oxides, and
ammonia when heated to decomposition. Upon contact with
moisture and metal, this material may release hydrogen gas.
Hazardous Polymerization: Will not occur.
Incompatibilities:
Reacts with acids to liberate hydrogen fluoride and base
to liberate ammonia. When combined with moisture, will corrode
glass, cement and most metals.
Conditions to Avoid: No information found.
11.
Toxicological Information
No LD50/LC50 information found relating to normal routes
of occupational exposure.
Cancer Lists
|
Ingredient
|
Known
|
Anticipated
|
IARC
Category
|
|
Sodium
Bifluoride (1333-83-1)
|
No
|
No
|
None
|
12.
Ecological Information
Environmental Fate:
This material is not expected to significantly bioaccumulate.
When released into water, this material may biodegrade to
a moderate extent.
Environmental Toxicity:
This material is not expected to be toxic to aquatic life.
The LC50/96-hour values for fish are over 100 mg/l.
13.
Disposal Considerations
Whatever cannot be saved for recovery or recycling should
be managed in an appropriate and approved waste facility.
Although not a listed RCRA hazardous waste, this material
may exhibit one or more characteristics of a hazardous waste
and require appropriate analysis to determine specific disposal
requirements. Processing, use or contamination of this product
may change the waste management options. State and local
disposal regulations may differ from federal disposal regulations.
Dispose of container and unused contents in accordance with
federal, state and local requirements.
14.
Transport Information
Domestic (Land, D.O.T.)
Proper Shipping Name : SODIUM HYDROGEN DIFLUORIDE, SOLID
Hazard Class : 8
UN : 2439
Packing Group : II
Information reported for product/size : 25KGS
International (Water, I.M.O.)
Proper Shipping Name : SODIUM HYDROGEN DIFLUORIDE, SOLID
Hazard Class : 8
UN/ : 2439
Packing Group : II
Information reported for product/size : 25KGS
International (Air, I.C.A.O.)
Proper Shipping Name : SODIUM HYDROGEN DIFLUORIDE, SOLID
Hazard Class : 8
UN : 2439
Packing Group : II
Information reported for product/size : 25KGS
15.
Regulatory Information
Chemical Inventory Status - Part 1
|
Ingredient
|
TSCA
|
EC
|
Japan
|
Australia
|
|
Sodium
Bifluoride (1333-83-1)
|
Yes
|
Yes
|
Yes
|
Yes
|
Chemical
Weapons Convention : Yes
TSCA 12(b) : No
CDTA : No
Acute : Yes
Chronic : Yes
Fire : No
Pressure : No
Reactivity : No (Pure / Solid)
Australian Hazchem Code : 2X
Poison Schedule : S6
WHMIS:
This MSDS has been prepared according to the hazard criteria
of the Controlled Products Regulations (CPR) and the MSDS
contains all of the information required by the CPR
16.
Other Information
NFPA Ratings: Health: 3 Flammability: 0 Reactivity: 0
Label Hazard Warning:
DANGER! MAY BE FATAL IF SWALLOWED OR INHALED. AFFECTS RESPIRATORY
SYSTEM, HEART, SKELETON, CIRCULATORY SYSTEM, CENTRAL NERVOUS
SYSTEM AND KIDNEYS. CAUSES IRRITATION AND BURNS TO SKIN,
EYES AND RESPIRATORY TRACT. IRRITATION AND BURN EFFECTS
MAY BE DELAYED. HARMFUL IF ABSORBED THROUGH SKIN.
Label Precautions :
Do not breathe dust;Keep container closed;Use only with
adequate ventilation;Wash thoroughly after handling;Do not
get in eyes, on skin, or on clothing.
Label First Aid:
In all cases call a physician immediately. First Aid procedures
should be pre-planned for fluoride compound emergencies.
If swallowed, administer milk, chewable calcium carbonate
tablets or milk of magnesia. Never give anything by mouth
to an unconscious person. If inhaled, remove to fresh air.
If not breathing, give artificial respiration. If breathing
difficult, give artificial respiration. In case of skin
contact wipe off any excess material then immediately flush
skin with large amounts of soapy water. Remove contaminated
clothing and shoes. Wash clothing before re-use. Apply bandages
soaked in magnesium sulfate. In case of eye contact, immediately
flush eyes with gentle but large stream of water for at
least 15 minutes, lifting upper and lower eyelids occasionally.
|