DBF dibutyl phthalate - the plasticizer
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- Country of manufactureRussia
Plasticizer dibutyl phthalate (DBF)
di - N - butyl ether of orthophthalic acid
GOST 8728 - 88 with amendment 1
C6H4(COOC4H9)2 dibutyl phthalate — di - N - butyl ether of orthophthalic acid.
Colorless oily liquid, tkip 340 °C (with decomposition) (206 °C at 10 mm of mercury. ), we will well dissolve in organic solvents (ethanol, benzene, acetone), it is slightly soluble in water (~ 0,1% at 20 °C). Malotoksichen. CAS number 84 - 74 - 2
Synthesis and properties:
Dibutyl phthalate is synthesized etherification of N butyl alcohol and phthalic anhydride in the presence of acid catalysts (benzene sulphonic acid or other sulfonic acids) at 120 — 140 °C.
The DBF plasticizer is intended for plasticization of polyvinyl chloride pitches in production of PVC - plastic compounds, film and sheets, artificial skin, industrial rubber goods and for other purposes.
Dibutyl phthalate is applied also as repellent.
The DBF plasticizer is transported all means of transport in the covered vehicles according to the rules of transportation of goods existing on this type of transport.
Store in container of the manufacturer or in hermetically closed aluminum tanks, and also in tanks from stainless steel. At storage of the plasticizer to provide protection against hit of moisture and influence of direct sunshine.
Warranty period of storage of the plasticizer - 6 months in metal packaging, and packed into glass large bottles - 1 year from the date of production.
|Name of indicator||Requirements of GOST - 8728 - 88 with amendment 1|
|1. Appearance||Transparent liquid without mechanical impurities|
|2. Chromaticity on platino - cobalt scale, Hazen unit, no more||50|
|3. Density at 20ºС, g/cm ³||1,045 - 1,049|
|4. Acid number, mg GAME/g, no more||0,07|
|5. Saponification ratio, mg GAME/g||399 - 407|
|6. Flash temperature, ºС, not below||168|
|7. Mass fraction of volatile substances, % , no more||0,3|