Product Identification

Product Name

Octakis(hydroxymethyl)diphosphonium sulfate

Synonyms

Bis(tetrakis(hydroxymethyl)phosphonium)sulfate
Octakis(hydroxymethyl)phosphonium sulfate
Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1)
Retardol S
Tetrakis(hydroxymethyl)phosphonium sulfate

CAS

55566-30-8

Formula

C8H24O12P2S

Molecular Weight

406.27

EINECS

259-709-0

RTECS

TA2570000

RTECS Class

Tumorigen; Mutagen

Beilstein/Gmelin

NA

Physical and Chemical Properties

Appearance

Clear colorless viscous liquid.

Melting Point

-35

Boiling Point

111

Vapor Pressure

32 (25 C)

Density

1.381 g/cm3 (20 C)

Usage

Microbiocide.

First Aid Measures

Ingestion

DO NOT INDUCE VOMITING. 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. Be prepared to transport the victim to a hospital if advised by a physician.

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. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.

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

Ingestion

See inhalation.

Inhalation

Symptoms of exposure to this compound include hypotension and general poisoning.

Skin

See inhalation.

Eyes

See inhalation

Exposure Controls/Personal Protection

Personal Protection

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.

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.

Fire Fighting Measures

Fire Fighting

Fires involving this chemical 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

Incompatibilities

Incompatible with oxidizing materials and alkalis.

Stability

No data.