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Merck

8.40119

Span® 20

greener alternative

for synthesis

Synonym(s):

Span® 20, Sorbitan monolaurate, Sorbitan monododecanoate

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About This Item

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

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Product Name

Span® 20, for synthesis

SMILES string

O1[C@@H]([C@H]([C@@H](C1)O)O)C(O)COC(=O)CCCCCCCCCCC

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

vapor pressure

<1.3 hPa ( 20 °C)

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

Quality Level

200

Related Categories

Analysis Note

Hydroxyl value: 330 - 370


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.

Application

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

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.

Legal Information

Span is a registered trademark of Croda International PLC

Storage Class

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’.

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