4721-24-8

4721-24-8 structure
4721-24-8 structure

Name n-hexylphosphonic acid
Synonyms hexyl-phosphonic acid
Hexyl-phosphonsaeure
Hexylphosphonic acid
hexanephosphonic acid
n-Hexylphosphonic acid,,min.
1-Hexylphosphonic acid
Density 1.132 g/cm3
Boiling Point 299.7ºC at 760 mmHg
Melting Point 108-110ºC
Molecular Formula C6H15O3P
Molecular Weight 166.15500
Flash Point 135ºC
Exact Mass 166.07600
PSA 67.34000
LogP 1.74440
Appearance Powder | White to off-white
Water Solubility Insoluble in water.

Section 1: Product Identification
Chemical Name:n-Hexylphosphonic acid, min. 97%
CAS Registry Number:4721-24-8
Formula:CH3(CH2)5P(O)(OH)2
EINECS Number:none
Chemical Family:organic phosphonic acid
Synonym:1-Hexylphosphonic acid

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound4721-24-8100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to skin, eyes and respiratory tract.
Primary Routes of Exposure:Inhalation, skin, eyes
Eye Contact:Dust causes moderate to severe irritation of the eyes.
Skin Contact:Causes irritation to the skin
Inhalation:Causes irritation to the nose, mucous membranes and respiratory tract
Ingestion:No information on the physiological effects of ingestion. May be harmful if swallowed.
Acute Health Affects:Irritating to skin, eyes and respiratory tract.
Chronic Health Affects:No information available on long-term chronic effects
NTP:No
IARC:No
OSHA:No

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:no data
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry chemical or foam
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire, this material may emit irritating organic fumes
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards

SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non-combustible adsorbent and
Spill and Leak Procedures:
swept up.

SECTION 7: Handling and Storage
Handling and Storage:Store in a tightly sealed container in a cool, dry place.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:It is imperative that this material be handled in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:It is imperative that this material be handled in an efficient fume hood.
Additional Protection:No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:white to off-white powder
Molecular Weight:166.16
Melting Point:105-106°
Boiling Point:no data
Vapor Pressure:no data
Specific Gravity:no data
Odor:not determined
Solubility in Water:insoluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:oxidizing agents
Decomposition Products:carbon dioxide, carbon monoxide and organic fumes

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations

SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory
SARA (Title 313):Title compound not listed
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi
Risk Phrases R22;R34;R43;R48/22
Safety Phrases S1/2-S22-S26-S36/37/39-S45
RIDADR 3261
Packaging Group III