Default object view. Click to create a custom template, Node ID: 27950, Object ID: 49121

Octamethylcyclotetrasiloxane

Octamethylcyclotetrasiloxane

556-67-2

Sigma

https://www.sigmaaldrich.com/US/en/sds/aldrich/235695

2022

Submitted by external request, reviewed by TURI staff

Yes

66

6.60

7

5

10

10

2

6

6

7

36

LC50 Inhalation - Rat - male and female - 4 h - 36 mg/l - dust/mist (OECD Test Guideline 403)

4800

LD50 Oral - Rat - male (OECD Test Guideline 401)

4

2

2400

(OECD Test Guideline 402) Remarks: (IUCLID)

4

2

2

2

Maximization Test - Guinea pig Result: Does not cause skin sensitization. (OECD Test Guideline 406)

2

2

2

Eyes - Rabbit Result: No eye irritation (OECD Test Guideline 405)

2

2

10

USA. Workplace Environmental Exposure Levels (WEEL)

6

2

2

2

2

6

SDS

8

6

0.022

flow-through test LC50 - Oncorhynchus mykiss (rainbow trout) - > 0.022 mg/l - 96 h

0.022

ErC50 - Pseudokirchneriella subcapitata - > 0.022 mg/l - 96 h (US-EPA)

10

10

10

0.015

flow-through test EC50 - Daphnia magna (Water flea) - > 0.015 mg/l - 48 h (US-EPA)

0.02

EPI Suite

8

10

10

8

37.5

EPI Suite

9.4

EPI Suite

75

EPI Suite

8

3.7

aerobic - Exposure time 29 d Result: 3.7 % - Not readily biodegradable. (OECD Test Guideline 310)

10

6.488

log Pow: 6.488 at 25.1 °C (77.2 °F) - Potential bioaccumulation

12400

Bioconcentration factor (BCF): 12,400 (US-EPA)

10

2

2

2

2

2

2

0.98

1.3 hPa at 20 °C (68 °F)

6

6

51

51 °C (124 °F) - closed cup - DIN 51755 Part 1

6

4

SDS Violent reactions possible with strong oxidizing agents, alkalines, acids

2

2

6

6

4

6

4

4

6

6

8

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