### Cover Letter

January 16, 2013
CONFIDENTIAL

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See Attachment 001 (Sanitized Chemical Structure.pdf)

Sanitized Chemical Structure.pdf

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Acetophenone derivative 

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X Photoinitiator for coatings and inks. XXX X XXX X XXX X XXX XXX XXX XXX X

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See Attachment 003 (Sanitized customer block flow diagram.pdf)

Sanitized customer block flow diagram.pdf XXX 

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Page 15 SANITIZED SUBMISSIONP10SB1(a)(4)1 Part II, Section B, 1(a)(4). Operation Site Locations

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Page 18 SANITIZED SUBMISSION001 Sanitized Chemical Structure Sanitized Chemical Structure.pdf Pt.I, Sec.B, 1e. 1

002 Sanitized CAS IES report sanitized CAS IES.pdf Pt.I, Sec.B, 1c. 1

003 Sanitized - Customer Block Flow Diagram Sanitized customer block flow diagram.pdf Pt.2, Sec.B, 1a. 1

004 Sanitized - MSDS_US Sanitized - MSDS_US_Redacted.pdf 9

005 sanitized - Analytical Certificate sanitized - Analytical Certificate_Redacted.pdf 16

006 sanitized - Analytical Method sanitized - Analytical Method_Redacted.pdf 15

007 sanitized dissociation constant sanitized calculation of the dissociation constant.pdf 10

008 sanitized hydrolysis determination sanitized hydrolysis determination at different pH 23

009 sanitized vapor pressure sanitized determination of the vapor pressure.pdf 22

010 sanitized fat solubility sanitized determination of the fat solubility.pdf 18

011 sanitized adsorption coefficient sanitized estimation of the adsorption coefficient on soil 22

012 sanitized relative density sanitized determination of the 14
013 sanitized surface tension sanitized determination of the surface tension of an aqueous 15

014 sanitized partition coefficient sanitized determination of the partition coefficient (n-octanol 22

015 sanitized - Analysis of sample_11L00060 Sanitized-Analysis of Test 11

016 sanitized - Repeat_dose_tox_repro_tox_developm_tox_OE sanitized - Repeat_dose_tox_repro_tox_dev 663

017 sanitized self ignition temperature sanitized determination of the relative self ignition 12

018 sanitized particle size distribution sanitized determination of the particle size distribution.pdf 16

019 sanitized - Toxicity to activated sludge in a sanitized Toxicity to activated 21

020 sanitized - Toxicity to Scenedesmus subspicatus in a 72 hour algal growth inhibition test sanitized toxicity to Scenedesmus subspicatus in a 40

022 sanitized statement on explosive properties sanitized expert statement on the 3 

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023 sanitized statement on oxidizing properties sanitized expert statement on the oxidizing properties.pdf 3

029 sanitized melting point sanitized determination of the melting point melting range.pdf 12

030 sanitized water solubility sanitized determination of the water solubility.pdf 19

031 sanitized determination of flammability sanitized determination of the flammability.pdf 11

032 sanitized boiling point sanitized determination of the boiling point boiling range.pdf 12

040 sanitized hydrolytic stability sanitized Investigation of Hydrolytic Stability.pdf 4

043 Sanitized - Customer Operations - Printing machines Sanitized - Customer Operations - Printing machines.docx 2

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Page 21 SANITIZED SUBMISSION

### ATTACHMENT HEADER SHEET

Attachment Number 001
Attachment Name Sanitized Chemical Structure


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Pt.I, Sec.B, 1e.

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### Report Number PMNX130116894371115

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Attachment Name Sanitized CAS IES report


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Pt.I, Sec.B, 1c.

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### Report Number PMNX130116894371115

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Attachment Number 003
Attachment Name Sanitized - Customer Block Flow Diagram


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Pt.2, Sec.B, 1a.

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### Report Number PMNX130116894371115

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Attachment Number 004
Attachment Name Sanitized - MSDS_US


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N/A

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Attachment Number 005
Attachment Name sanitized - Analytical Certificate


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N/A

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Attachment Number 006
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Attachment Number 007
Attachment Name sanitized dissociation constant


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N/A

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### Report Number PMNX130116894371115

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Attachment Number 008
Attachment Name sanitized hydrolysis determination


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 009
Attachment Name sanitized vapor pressure


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 010
Attachment Name sanitized fat solubility


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 011
Attachment Name sanitized adsorption coefficient


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 012
Attachment Name sanitized relative density


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 013
Attachment Name sanitized surface tension


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 014
Attachment Name sanitized partition coefficient


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 015
Attachment Name sanitized - Analysis of sample_11L00060


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

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Attachment Number 016
Attachment Name sanitized - Repeat_dose_tox_repro_tox_developm_tox_OECD 422 OPPTS 870.3650



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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 017
Attachment Name sanitized self ignition temperature


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 018
Attachment Name sanitized particle size distribution


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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 019
Attachment Name sanitized - Toxicity to activated sludge in a respiration inhibition test



### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 020
Attachment Name sanitized - Toxicity to Scenedesmus subspicatus in a 72 hour algal growth inhibition test



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N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 022
Attachment Name sanitized statement on explosive properties


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 023
Attachment Name sanitized statement on oxidizing properties


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 029
Attachment Name sanitized melting point


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 030
Attachment Name sanitized water solubility


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 031
Attachment Name sanitized determination of flammability


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 032
Attachment Name sanitized boiling point


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 040
Attachment Name sanitized hydrolytic stability


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115

### ATTACHMENT HEADER SHEET

Attachment Number 043
Attachment Name Sanitized - Customer Operations - Printing machines


### Associated PMN Section Number

N/A

Does not contain CBI 

### Report Number PMNX130116894371115