Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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Tetrakis(hydroxymethyl)phosphonium chloride(124-64-1)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
Tetrakis(hydroxymethyl)phosphonium chloride
Synonyms
Pyroset TKC
Tetrahydroxymethylphosphonium chloride
Tetrakis(Hydroxymethyl)phosphochloride
Tetrakis(Hydroxymethyl)phosphonium chloride
THPC
CAS
124-64-1
Formula
C4H12ClO4P
Molecular Weight
190.56
EINECS
204-707-7
RTECS
TA2450000
RTECS Class
Agricultural Chemical and Pesticide; Tumorigen; Mutagen
Beilstein/Gmelin
3631669
Beilstein Reference
4-01-00-03062

Physical and Chemical Properties

Appearance
Clear slightly viscous,colorless to yellow liquid (20% H2O solution).
Melting Point
153
Density
1.322 g/cm3 (20 C)
Usage
Flame retardant for textiles- eg, cotton & rayon, flame retardant condensate with urea used in fabrics, chemical intermediate for the hydroxide salt.

First Aid Measures

Ingestion
DO NOT INDUCE VOMITING. Corrosive chemicals will destroy the membranes of the mouth, throat, and esophagus and, in addition, have a high risk of being aspirated into the victim's lungs during vomiting which increases the medical problems. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. IMMEDIATELY transport the victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. Transport the victim IMMEDIATELY to a hospital.
Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. IMMEDIATELY call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. IMMEDIATELY transport the victim to a hospital for treatment after washing the affected areas.
Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Handling and Storage

Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation
Inhalation of formaldehyde vapors at elevated concentrations may result in upper respiratory tract irritation and coughing. Severe exposure may result in serious lower respiratory effects, such as bronchitis, pulmonary edema, or pneumonia. Reactive airways may develop in susceptible individuals.
Skin
Allergic dermatitis and rash may occur.
Eyes
IRRITATION of the eyes, nose, and throat may occur following exposure to formaldehyde OR fumes from urea-formaldehyde foam and adhesive resins. Corneal opacification and loss of vision may occur following direct eye splash exposure to solutions containing high concentrations of formaldehyde. Transient discomfort and irritation may result from eye exposure to solutions containing low concentrations of formaldehyde.
Ingestion
Nausea, vomiting, and severe abdominal pain may occur following ingestion. Corrosive gastritis, hematemesis, and edema and ulceration of the esophagus may occur. Strictures and perforation are possible delayed complications.

Exposure Controls/Personal Protection

Personal Protection
If Tyvek-type disposable protective clothing is not worn during handling of this chemical, wear disposable Tyvek-type sleeves taped to your gloves.
Respirators
Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. Splash proof safety goggles should be worn while handling this chemical. Alternatively, a full face respirator, equipped as above, may be used to provide simultaneous eye and respiratory protection.
Exposure Effects
Shock may develop with severe exposures. Rapid breathing may develop in patients with metabolic acidosis. Reduction in body temperature may be seen. Lethargy and coma may occur following large ingestions or marked inhalation exposure. Formaldehyde has not been shown definitely to be teratogenic in animals. Formaldehyde probably presents little or no risk as a potential human teratogen.

Fire Fighting Measures

Fire Fighting
Fires involving this compound can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
Fire Potential
This chemical is probably combustible.

Accidental Release Measures

Small spills/leaks
If you should spill this chemical, use absorbent paper to pick up all liquid spill material. Seal the absorbent paper, as well as any of your clothing which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Wash any surfaces you may have contaminated with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Stability and Reactivity

Stability
No data.
Incompatibilities
React vigorously with oxidizers and alkalis Reacts with cellulose.
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