TECHNICAL DATA
ARCOSOLV庐 DPnP
Dipropylene Glycol (normal) Propyl Ether
CAS No. 29911-27-1
Molecular Weight = 176.3
General
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ARCOSOLV DPnP is a colorless liquid with low Physical Properties
鈥?
toxicity and a low odor. Its low evaporation rate Other Names鈥?1-(2-propoxy-1-methylethoxy)-2-propanol
............................ Dipropylene glycol monopropyl ether
coupled with its hydrophilic and hydrophobic
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Molecular Weight ................................................. 176.3
nature makes ARCOSOLV DPnP a good
鈥? Boiling Point @ 760 mm Hg, 掳C..................... 212
coupling agent and solvent. It is moderately water
鈥? Evaporation Rate (BuAc=100) ........................ 1.3
soluble, yet an efficient surface tension reducer.
鈥? Flash Point, Seta, 掳F ...................................... 190
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Applications Solubility Parameters
Coatings Polar ............................................................ 2.4
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ARCOSOLV DPnP performs well in coatings Non-Polar .................................................... 7.4
applications as a coalescent for waterborne H-bonding .................................................... 5.7
coatings and a solvent for solvent-borne coatings. Total............................................................. 9.6
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鈥?
ARCOSOLV DPnP blends well with other Solubility @ 20掳C, wt.%
materials such as the more hydrophobic glycol In Water ........................................................ 18
ethers. Overall it makes an excellent choice as a Water In ..................................................... 18.5
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coalescing agent and it makes a good viscosity Specific Gravity 25/25掳 C ........................... 0.922
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control agent. Surface Tension (dynes/cm) @ 25掳 C .......... 25.8
鈥? Vapor Pressure, mm Hg @ 20掳C ................. 0.05
Cleaners 鈥? Viscosity (centipoise) @ 25掳C ........................ 4.4
Low toxicity, surface tension reduction, and
moderate evaporation are some of the benefits of Product Specifications
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using ARCOSOLV DPnP in cleaning Property Specification
formulations. It also provides good solvency for
Purity, wt.%, min. 98.5
polar and non-polar materials.
Specific Gravity @ 25/25掳C 0.915 - 0.925
Other Applications Distillation @ 760 mm HG
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The properties of ARCOSOLV DPnP also IBP, Initial Boiling Point, 掳C 200 - 225
DP, Dry Point, 掳C 200 - 225
support its use in agricultural, electronic, inks,
Acidity, wt.% as acetic acid, max. 0.015
textile, sealants and adhesive products. Specific
end uses may require approval from governing Water, wt.%, max 0.2
regulatory agencies. Color, APHA, max. 20
Product Identification
鈥? STORAGE
Chemical Family ......... Dipropylene Glycol Propyl Ether
鈥? 庐
Chemical Name .............. 1-(2-propoxy-2-methylethoxy) General industry practice is to store ARCOSOLV
2-propanol DPnP in carbon steel vessels. Avoid contact with
鈥? CAS # ..........................................................29911-27-1 air when storing for long periods of time. Glycol
鈥? Chemical Formula ............................................C9H20O3 ethers should never be stored or handled in
copper or copper alloys. This product may absorb
water if exposed to air.
ARCOSOLV庐 DPNP IS CURRENTLY NOT AVAILABLE IN EUROPE AND ASIA.
For more technical information or formulation assistance, please see contact information on last page.
www.lyondell.com
TECHNICAL DATA
The propylene glycol-based ethers, even at high
STORAGE, continued
concentrations, do not present the toxicity effects
Store only in tightly closed, properly vented
associated with most of the ethylene glycol methyl
containers away from heat, sparks, open flame or
and ethyl substituted ethers. In particular,
strong oxidizing agents. Use only non-sparking
damage to the thymus, reproductive and
tools. Ground containers before beginning
developmental toxicity, kidney effects, and effects
transfer. Electrical equipment should conform to
on the blood and blood forming tissues are not
national electric code.
observed with the propylene glycol ethers. Chronic
and subchronic toxicity testing of the PnP
SAFETY AND HANDLING
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derivative resulted in no observe exposure-related
Due to its low order of toxicity ARCOSOLV DPnP
clinical signs during the study. In terms of
requires no special handling. However, undue
systemic types of toxicity, it would be correct to
exposure or spillage should be strictly avoided as
assume DPnP follows PnP, based upon the
a matter of good practice. Refer to the Material
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assumption that DPnP is metabolized to PnP in
Safety Data Sheet for ARCOSOLV DPnP for
the same way that that DPGME forms PGME.
more specific information.
There is no data specific to DPnP metabolism.
OCCUPATIONAL EXPOSURES
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REGULATORY STATUS
Occupational exposures with ARCOSOLV DPnP
Refer to the Material Safety Data Sheet for more
are usually via the dermal and/or inhalation route.
specific information. Dipropylene glycol (normal)
As a derivative of the propylene glycol-based
propyl ether is on the U.S. (TSCA), Canadian
ethers, DPnP is expected to present low order
(DSL) European Community (EINECS), Australian
toxicity and pose little hazard under normal
(AICS), Japanese (ENCS), Korean (ECL),
conditions of exposure and use. As with many
Philippines (PICCS), and China (IECS)
solvents, precautions to minimize skin and eye
inventories.
contact and repeated or prolonged inhalation to
high vapor concentrations should be taken.
MATERIAL COMPATIBILITY GUIDELINES
Stainless steel is recommended for valves, pumps
TOXICOLOGICAL EVALUATION
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and filters. Teflon * is suitable for gaskets.
ARCOSOLV DPnP is a derivative of the n-Propyl
Information from material suppliers and specific
propylene glycol-based ethers. This n-propyl
conditions of contact should be considered in the
group of chemicals primarily consists of propylene
selection of suitable materials.
glycol n-propyl, dipropylene glycol n-propyl, and
polypropylene glycol n-propyl ether. Currently,
* Teflon is a registered trademark of E.I. duPont de Nemours
there is no data available to evaluate the acute
and Company
and chronic effects of DPnP. The propylene glycol
n-propyl ether derivative (PnP) from this group of
chemicals is severely irritating to the eyes and can
cause mild corneal injury, which may be slow in
healing. The PnP derivative is considered to be
non-irritating to the skin following short-term
exposures but prolonged or occluded contact can
cause severe irritation. Because of its relatively
low vapor pressure, inhalation of PnP is not
anticipated to present a significant hazard under
conditions of ambient temperature. However, it
would not be advisable to extrapolate the toxicity
endpoints for skin and eye effects from PnP to
DPnP, since PnP has fairly severe warnings,
without any data to contrary these effects.
For more technical information or formulation assistance, please see contact information on last page.
www.lyondell.com
TECHNICAL DATA
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supersedes 2323-V2-0303
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