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Key Documents

Safety Information

L070000

Sigma-Aldrich

Fast Deprotection Cap A

45-55 g/L (TAC2O content, gravimetric)

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About This Item

UNSPSC Code:
41116105
NACRES:
NA.21

type

for DNA synthesis
for DNA synthesis

product line

Proligo Reagents

form

liquid

storage condition

dry at room temperature

concentration

45-55 g/L (TAC2O content, gravimetric)

color

clear

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General description

Fast Deprotection Cap A contains tert-butylphenoxyacetyl aceticanhydride (TAC2O) in tetrahydrofuran, which ensures thedisplacement of tert-butylphenoxyacetyl (TAC) on guanine bases doesnot occur.

Preparation Note

Tetrahydrofurane / TAC2O 100/5 (v/w)

Other Notes

Fast Deprotection Cap A solution must be used for synthesis with Sigma-Aldrich′s TAC-protected phosphoramidites. Fast Deprotection Cap A solution, containing tert-butylphenoxyacetyl acetic anhydride (TAC2O) in tetrahydrofuran, is used in place of Cap A solution to ensure that the displacement of tert-butylphenoxyacetyl (TAC) on guanine bases of the TAC-protected DNA and RNA phosphoramidites does not occur.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Central nervous system, Respiratory system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

6.1 °F

Flash Point(C)

-14.4 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

L070250-C01-01:
L070250-01:4548173226507
L070400-01:4548173240350
L070000-2.5L:4548173959795
L070000-6X450ML:4548173959788
L070000-450ML:


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