Monobutyl phthalate

  • Mono-n-butyl phthalate
  • Butyl hydrogen phthalate
  • Phthalic acid, butyl ester
  • 1,2-Benzenedicarboxylic acid, monobutyl ester
Formula
C12H14O4
Structure
Description
White crystalline solid.

Registry Numbers and Inventories.
CAS
131-70-4
EC (EINECS/ELINCS)
205-036-2
RTECS
TI2475000
RTECS class
Reproductive Effector
Beilstein/Gmelin
2051402
Beilstein Reference
4-09-00-03175
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C12H14O4
Formula mass
222.24
Melting point, °C
70 - 71
Boiling point, °C
353
Solubility in water
Very soluble
pKa/pKb
3.38 (pKa)
Partition coefficient, pKow
2.65

Hazards and Protection.
Storage
Store in a cool dry location, away from incompatible materials.
Handling
Avoid contact with eyes, skin, and clothing. Do not breath vapors. Wash thoroughly after handling. Contaminated clothing should be laundered before reuse. This material should only be handled in a hood.
Protection
Use ANSI approved chemical goggles and impervious gloves and protective clothing.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concerned. Use NIOSH/MSHA approved safety equipment.
Small spills/leaks
Evacuate area and ventilate. Using approved protective equipment, sweep up and place in an approved container - hold for later disposal. Wash contaminated surfaces to remove any residue.
Stability
Stable at normal temperratures and pressures.

Fire.
Flash Point,°C
>73
Fire fighting
Wear NIOSH/MSHA approved SCBA and full protective equipment. Extinguish fires using carbon dioxide, dry chemical powder or water spray.

Health.
Exposure effects

First aid
 
   Ingestion
Seek immediate medical attention.
   Inhalation
Remove patient to fresh air. Administer oxygen if patient is having drouble breathing. Seek immediate medical attention.
   Skin
Wash area with large amounts of water. Seek immediate medical attention.
   Eyes
Wash area with large amounts of water. Seek immediate medical attention.

Transport.
USCG CHRIS Code
BLP