Study on acute toxicity of water based extinguishing agent and materials

Fire Science and Technology ›› 2020, Vol. 39 ›› Issue (2): 253-256.

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Study on acute toxicity of water based extinguishing agent and materials

CHEN Pei-yao1， SUN He1， FENG Meng2，JIANG Ling-zhi3

（1.Tianjin Fire Research Institute of MEM,Tianjin 300382,China; 2.China Certification Center for Fire Products of MEM,Beijing 100071,China; 3.Dongying Sea Fire Equipment Co.,Ltd.,Shandong Dongying 257500,China）

Received:2019-09-18 Online:2020-02-15 Published:2020-02-15

Abstract

Abstract: As a reference for product development and ecological risk assessment, acute toxicity(LC50) of raw materials and final products in water based extinguishing agents on zebre fish was studied using standard test method. Results showed that acute toxicity of extinguishing agent had no necessary correlation with freezing point but increased with fire-fighting level. Multiple hydrocarbon surfactants and fluorinate surfactants have high toxicity,sodium dodecyl sulfate and cocoamidopropyl Betaine even belong to highly toxic compounds according to toxicity criteria against fish. Considering acute toxicity,these highly toxic materials should not be used or should be little used in water based extinguishing agents while developing environment friendly products.

Key words: water based extinguishing agent, materials, toxicity, formulation selection

CHEN Pei-yao, SUN He, FENG Meng, JIANG Ling-zhi. Study on acute toxicity of water based extinguishing agent and materials[J]. Fire Science and Technology, 2020, 39(2): 253-256.

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