Polysorbate 20

  • Tween 20
  • Polyoxyethylene sorbitan monolaurate
Formula
C58H114O26
Description
Amber liquid.
Uses
Adjuvant, Soap/Surfactant

Registry Numbers and Inventories.
CAS
9005-64-5
EC (EINECS/ELINCS)
500-018-3
RTECS
TR7400000
RTECS class
Drug; Reproductive Effector; Primary Irritant
Beilstein/Gmelin
NA
EPA OPP
79074
Swiss Giftliste 1
G-4120
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C58H114O26
Formula mass
1227.72
Boiling point, °C
100
Vapor pressure, mmHg
11 (20 C)
Density
1.1 g/cm3
Solubility in water
(25 C) soluble
Refractive index
1.47 (20 C)

Hazards and Protection.
Storage
Keep from freezing. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store at around 20 C.
Handling
Use with adequate ventilation. Avoid prolonged or repeated contact with skin. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizers
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
>149
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Health.
Poison_Class
-
Exposure effects
May cause reproductive and fetal effects.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause mild eye irritation.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
3402 13 00