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Safety Information

531006

Sigma-Aldrich

Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate

electronic grade, ≥99% trace metals basis

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About This Item

Linear Formula:
[(CH3)3CC6H4]2IC6H4(SO3)CH3
CAS Number:
Molecular Weight:
564.52
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

grade

electronic grade

description

Total acid <2 × 10-3 mol/kg
Total base <2 × 10-3 mol/kg

Assay

≥99% trace metals basis

mp

237-240 °C (lit.)

solubility

PGMEA: <1%
γ-butyrolactone: ~10%
ethyl lactate: ~10%

λmax

202 nm

SMILES string

Cc1ccc(cc1)S([O-])(=O)=O.CC(C)(C)c2ccc([I+]c3ccc(cc3)C(C)(C)C)cc2

InChI

1S/C20H26I.C7H8O3S/c1-19(2,3)15-7-11-17(12-8-15)21-18-13-9-16(10-14-18)20(4,5)6;1-6-2-4-7(5-3-6)11(8,9)10/h7-14H,1-6H3;2-5H,1H3,(H,8,9,10)/q+1;/p-1

InChI key

UEJFJTOGXLEPIV-UHFFFAOYSA-M

Application

Cationic photoinitiator. Photoacid generator.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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.

JAN Code

531006-VAR:
531006-5G:
531006-1G:4548173989297
531006-BULK:


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