SAYTEX® RB-7980 Flame Retardant

SAYTEX RB-7980 flame retardant is a blend of SAYTEX RB-79 flame retardant,polyol and a liquid phosphate ester. The mixture of the diester/ether diol of tetrabromophthalic anhydride and phosphate results in a lower viscosity liquid than neat SAYTEX RB-79 flame retardant.

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Physical and Chemical Properties
Property Value
IUPAC Name
 
Appearance
Liquid
Color
Amber
Specific Gravity
1.65
Solubility in Water
<0.1 (weight % at 25 °C)
Solubility in Other Solvents
  • HFC 245fa: 9.5 (at 25 °C)
  • n-Pentane: 2.7 (at 25 °C)
  • Cyclopentane: 3.2 (at 25 °C)
  • Isopentane: 2.1 (at 25 °C)
  • HFO 1233zd(E): 7.5 (at 25 °C)
Hydroxyl Number
160-188
Acid Number
0.5
Additional Properties
% Bromine, (wt %): 36

Applications

Reactive diol mixture for rigid polyurethane foams, urethane elastomers and coatings.

Features

SAYTEX RB-7980 flame retardant is a reactive, high-bromine-content diol mixture exhibiting significantly lower viscosity than neat SAYTEX RB-79 flame retardant. Key customer advantages are improved processing and storage characteristic. Lower viscosity at room temperature eliminates the need for heated, insulated

Specifications

Typical properties:
  • Appearance/form Amber/liquid
  • Viscosity (cP @ 25 °C) 7500-11000
  • % Bromine, (wt %) 36
  • % Chlorine, (wt %) 6.5
  • % Phosphorus, (wt %) 1.9
  • Specific gravity 1.65
  • Bulk density, lb/gal (kg/m3) 13.8 [1650]
  • Hydroxyl number (mg KOH/g) 160-188
  • Acid number (mg KOH/g), max. 0.5
  • Water (wt %), max. 0.20
  • Solubility (wt. % at 25 °C) HFC 245fa 9.5
  • Solubility (wt. % at 25 °C) Water <0.1
  • Solubility (wt. % at 25 °C) n-Pentane 2.7
  • Solubility (wt. % at 25 °C) Cyclopentane 3.2
  • Solubility (wt. % at 25 °C) Isopentane 2.1
  • Solubility (wt. % at 25 °C) HFO 1233zd(E) 7.5

Handling Instructions

Avoid prolonged or repeated skin contact. Avoid inhalation of dust or contact with eyes. Protective gloves, chemical-safety goggles and NIOSH-approved dust respirators should be worn where there is a chance of exposure. Wash hands after handling. Smoking and eating should be avoided when handling the product. Under the CERCLA/RCRA regulations currently in effect, this product is not regulated as a hazardous waste or material. Normal handling and disposal procedures in accordance with good industrial practice and any applicable state or local regulations are recommended.

Storage Instructions

tanks and drum-heating facilities.

Legal Disclaimer

The information presented herein is believed to be accurate and reliable but is presented without guarantee or responsibility on the part of Albemarle Corporation and its subsidiaries and affiliates. It is the responsibility of the user to comply with all applicable laws and regulations and to provide for a safe workplace. The user should consider any health or safety hazards or information contained herein only as a guide and should take those precautions which are necessary or prudent to instruct employees and to develop work practice procedures in order to promote a safe work environment. Further, nothing contained herein shall be taken as an inducement or recommendation to manufacture or use any of the herein materials or processes in violation of existing or future patent.

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