Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

For N-sodiohexamethyldisilazane key aquatic toxicity information on the read across candidate 1,1,1,3,3,3 -hexamethyldisilazane (CAS 999-97-3) is gathered from the respective ECHA disseminated dossier and presented here.

Aquatic toxicity data for 1,1,1,3,3,3 -hexamethyldisilazan:

Study

Species

Endpoint

Effect value

Fish acute toxicity

B. rerio

96-h LC50

88 mg/L

Fish chronic toxicity

No information available

-

-

Aquatic invertebrates acute toxicity

D. magna

48-h EC50

80 mg/L

Aquatic invertebrates chronic toxicity

No information available

-

-

Algae acute

S. subspicatus

72-h ErC50

50 mg/L

Algae chronic

S. subspicatus

72-h ErC10

7.5 mg/L