Skip to Content
Merck
CN
All Photos(2)

Documents

8.40119

Sigma-Aldrich

Span® 20

greener alternative

for synthesis

Synonym(s):

Span® 20, Sorbitan monolaurate, Sorbitan monododecanoate

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C18H34O6
CAS Number:
1338-39-2
Molecular Weight:
346.46
MDL number:
MFCD00005365
UNSPSC Code:
12352108
EC Index Number:
215-663-3
NACRES:
NA.22

vapor pressure

<1.3 hPa ( 20 °C)

Quality Level

200

form

liquid

potency

33600 mg/kg LD50, oral (Rat)

greener alternative product characteristics

Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

bp

>100 °C/1013 hPa

transition temp

flash point >149 °C

density

1.0 g/cm3 at 20 °C

greener alternative category

, Aligned

storage temp.

2-30°C

InChI

1S/C18H34O6/c1-2-3-4-5-6-7-8-9-10-11-16(21)23-13-15(20)18-17(22)14(19)12-24-18/h14-15,17-20,22H,2-13H2,1H3/t14-,15?,17+,18-/m1/s1

InChI key

LWZFANDGMFTDAV-IOVMHBDKSA-N

Related Categories

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. This product is 100% bio-based non-ionic surfactant, thus aligns with "Use of Renewable Feedstocks" and belongs to "12 principles aligned" category of our greener alternatives.

Application

Span® 20 for synthesis. CAS 1338-39-2, molar mass 346.47 g/mol.

Analysis Note

Hydroxyl value: 330 - 358
Saponification value: 158 - 170
Acid value: ≤ 10
Water (K. F.): ≤ 1.0 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Legal Information

Span is a registered trademark of Croda International PLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

300.2 °F - closed cup

Flash Point(C)

> 149 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service