Phthalate-free plasticizers

3.21 Phthalate-free plasticizers Terephthalate (Eastman 168) PARAMETER

UNIT

VALUE

Name

-

Eastman 168

CAS #

-

6422-86-2

IUPAC name

2-ethylhexyl 4-[(2-ethylhexyl)oxycarbonyl]benzoate

Common name

bis(2-ethylhexyl) terephthalate

Empirical formula

-

GENERAL INFORMATION

Formula

C24H38O4 CH2CH3O CH3(CH2)3CHCH2OC

O CH2CH3 COCH2CH(CH2)3CH3

Molecular mass

daltons

390.56

Chemical category

-

phthalate-free

EC number

-

264-249-9

Ester content

wt%

98.5

PHYSICAL PROPERTIES State

-

liquid

Odor

-

mild

Color

-

colorless

Color, Platinum-cobalt scale

-

15

Boiling point

o

C

375

Freezing point

o

C

<-62.7

o

Specic gravity at 20 C

-

0.984

Vapor density

-

13.47

Kinematic viscosity at 25oC

cSt

66.9

Solubility in water at 25oC

g/l

<0.00001

Health

1

Flammability

1

Reactivity

0

Autoignition temperature

o

C

387

Flash point

o

C

212

Flash point method

-

SCC

Animal testing, acute toxicity, Rat oral LD50

mg/kg

>5,000

HEALTH & SAFETY WHMIS classication

Animal testing, acute toxicity, Guinea pig dermal mg/kg LD50

>20,000

Mutagenicity

-

negative

-

73.05%, 28 days

ECOLOGICAL PROPERTIES Biodegradation probability

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383

3.21 Phthalate-free plasticizers Terephthalate (Eastman 168) PARAMETER

UNIT

VALUE

Aquatic toxicity, Daphnia magna, 48-h LC50

mg/l

0.0014

Manufacturer

-

Eastman

Recommended for polymers

-

PVC

Recommended for products

bottle caps and closures, coatings, coatings for cloth, electric connectors, exible lm, medical devices, pavement striping compounds, plasticizers, sheet vinyl ooring, toys, trafc cones, vinyl compounding, vinyl gloves, vinyl products, vinyl water stops, walk-off mats

Outstanding properties

excellent low temperature exibility, low migration

USE & PERFORMANCE

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384

Dioctyl terephthalate (Plasthall DOTP) PARAMETER

UNIT

VALUE

Name

-

Plasthall DOTP

CAS #

-

6422-86-2

IUPAC name

2-ethylhexyl 4-[(2-ethylhexyl)oxycarbonyl]benzoate

Common name

dioctyl terephthalate

Common synonyms

bis(2-ethylhexyl)-1,4-benzenedicarboxylate

Acronym

-

DOTP

Empirical formula

-

C24H38O4

GENERAL INFORMATION

Formula

CH2CH3O CH3(CH2)3CHCH2OC

O CH2CH3 COCH2CH(CH2)3CH3

Molecular mass

daltons

390.56

RTECS number

-

WZ0883500

Chemical category

-

phthalate-free

Mixture

>98% di-(2-ethylhexyl) terephthalate (6422-86-2), <2% 2-ethylhexyl methyl terephthalate (63468-13-3)

EC number

-

229-176-9

Ester content

wt%

99.5

Moisture content

wt%

0.05

-

liquid

PHYSICAL PROPERTIES State Color

-

colorless

Color, Platinum-cobalt scale

-

<15

Boiling point

o

C

400

Freezing point

o

C

Refractive index at 25oC

-

-48 1.4867

Specic gravity at 25oC

-

0.985

Vapor density

-

13.47

mg KOH/g

0.05

g/l

>0.00034

Health

1

Acid number o

Solubility in water at 25 C

HEALTH & SAFETY NFPA classication

Flammability

1

Reactivity

0

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385

Dioctyl terephthalate (Plasthall DOTP) PARAMETER

UNIT

VALUE

WHMIS classication

Health

1

Flammability

1

Reactivity

0

HMIS personal protection

safety glasses, gloves, protective clothing

OSHA hazard class

considered a hazardous substance

UN risk phrases, R

-

22,33,58,62

UN safety phrases, S

-

27,35,53,401

Autoignition temperature

o

C

399

Flash point

o

C

238

Flash point method

-

COC

Animal testing, acute toxicity, Guinea pig dermal mg/kg LD50

>1,968

Skin irritation

-

slight (guinea pig)

Eye irritation (human)

-

slight ( rabbit)

g/g

0.16

ECOLOGICAL PROPERTIES Biological oxygen demand, 20 days Chemical oxygen demand

g/g

2.7

Aquatic toxicity Fathead minnow, 96-h LC50

mg/l

>984

Partition coefcient, log Kow

-

8.39

Manufacturer

-

HallStar

Recommended for polymers

EPDM, epichlorohydrin, EC, CN, PVC

USE & PERFORMANCE

Recommended for products

gaskets, o-rings, PVC lm

Outstanding properties

-

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permanence

386