KH Neochem Co.,

Trade name 2,4-DIETHYL-1,5-PENTANEDIOL(PD-9)
Chemical Name 2,4-DIETHYL-1,5-PENTANEDIOL
Chemical Structure HOCH2CH(C2H5)CH2CH(C2H5)CH2OH
Molecular Formula C9H20O2
Molecular Weight 160.3
CAS No. 57987-55-0
EINECS No. 429-310-8
TSCA On Inventory
Specification Item Unit Specification Method
Appearance Clear Liquid
Color APHA 20 max. JIS K 0071
Purity Wt % 97 min. JIS K 0114
Water Content Wt % 0.5 max. JIS K 0068
Free Acid (as formic acid) % 0.04 max. JIS K 0070
Physical Property Item Unit
Boiling Point °C 264
Specific Gravity (20/20°C) 0.954
Viscosity (20°C) mPa・s 1650
Flash Point (open cup) °C 143
Vapor Density (Air=1) °C 5.57
Ignition Point °C 340
Solubility (in Water 20°C) g/100g 1.9
Surface Tension (20℃) N/cm 3.62×10-4
Use Polyester resins, Polyurethane resins, Ink formulation
Health Hazards Acute toxicity data on KYOWADIOL PD-9
   Acute Toxicity LD50(oral) rat >2.0g/Kg
LD50(dermal) rat >2.0g/Kg
Emergency and First Aid Procedure 1)Skin Contact Remove contaminated clothing. Wash the affected area with plenty of clean water and soap. If irritation develops, see a physician.
2)Eye Contact Flush eyes with plenty of clean water for at least 15 minutes while holding eyelids open. If irritation develops, see a physician.
3)Inhalation If a large amount is inhaled, remove individual(s) to fresh air.
Storage Tighten the cap of container and store in a cool, dry, well-ventilated, storage area of cabinet.
Extinguishing Media Water spray, Dry chemicals, Protein type air foams or carbon dioxide.
Packing 180Kg Iron drum
20MT ISO-Container
KH Neochem Co., Ltd.
Tel: +81-3-3510-3561
KH Neochem Americas, Inc.
1515 East Woodfield Road,Suite 710,
Schaumburg,IL 60173,USA
Tel: +1-847-517-8800
KH Neochem Singapore Pte Ltd.
260 Orchard Road #12-04
The Heeren, Singapore 238855
Tel: +65-6733-4948
Shanghai Seika Trading Co., Ltd.
Room 1116,Bldg.B,
Far East International Plaza,No.317
Xianxia Rd.Changning District,
Tel: +86-21-5208-0009
Home page:
This information is furnished without warranty, express or implied, except that it is accurate to the best knowledge of KH Neochem Co., LTD. It relates only to the specific material designated herein, and does not relate to use in combination with any other material or any process. KH Neochem Co., LTD. assumes no legal responsibility for use of or reliance upon this information.

View this in: Español (Spanish)



KH Neochem Americas is your single source for premium branched hydrophobic diols, branched fatty acids, monomer packages for self-crosslinking emulsion resins, and functional alcohols.