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
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.