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REACH

Boron

EC number: 231-151-2 | CAS number: 7440-42-8

Life Cycle description
Uses advised against

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

Short-term effects on freshwater invertebrates ranged from 64 to >544 mg B/L. For the marine compartment an adequate short-term LC50 of 130 mg B/L was found for the marine shrimp Litopenaeus vannamei.

Key value for chemical safety assessment

Fresh water invertebrates

Effect concentration:: 64 mg/L

Marine water invertebrates

Effect concentration:: 130 mg/L

Additional information

All reliable acute toxicity concentration levels for boron are summarized below.

Species	B-salt	Endpoint		mg B/L	Reference
L.siliquoidea	Boric acid	96h-LC₅₀	Nominal	137	Soucek et al., 2010
L.recta	Boric acid	96h-LC₅₀	Nominal	147	Soucek et al., 2010
M.nervosa	Boric acid	96h-LC₅₀	Measured	>544	Soucek et al., 2010
S.simile	Boric acid	96h-LC₅₀	Measured	> 447	Soucek et al., 2010
A.vivipara	Boric acid	96h-LC₅₀	Measured	476	Soucek et al., 2010
H.azteca	Boric acid	96h-LC₅₀	Measured	64 – 269	Soucek et al., 2010
C.dubia	Boric acid	48h-LC₅₀	Measured	91 – 165	Soucek et al., 2010

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