Sodium borohydride (CAS # 16940-66-2)
| Risk Codes | R60 - Tej zaum yuav cuam tshuam fertility R61 - Tej zaum yuav ua rau muaj mob rau tus menyuam hauv plab R15 - Kev sib cuag nrog dej tso tawm cov pa hluav taws kub heev R34 - Ua rau kub hnyiab R23/24/25 – Toxic los ntawm inhalation, nyob rau hauv kev sib cuag nrog daim tawv nqaij thiab yog hais tias nqos. R24/25 - R35 - Ua rau kub hnyiab heev R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos. R51/53 - Cov tshuaj lom rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev rau hauv dej hiav txwv. R42/43 - Tej zaum yuav ua rau muaj kev hnov mob los ntawm kev nqus pa thiab kev sib cuag ntawm daim tawv nqaij. R49 - Tej zaum yuav ua rau mob qog noj ntshav los ntawm kev nqus pa R63 - Muaj peev xwm tsim kev puas tsuaj rau tus menyuam hauv plab R62 - Muaj peev xwm muaj feem cuam tshuam ntawm fertility R36/38 - Kab mob rau qhov muag thiab tawv nqaij. R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij R19 - Tej zaum yuav tsim cov peroxides tawg R68 - Muaj peev xwm ua rau muaj kev cuam tshuam tsis zoo R50/53 - Muaj tshuaj lom heev rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev hauv cov dej hauv dej. |
| Kev nyab xeeb piav qhia | S53 - Tsis txhob raug - tau txais cov lus qhia tshwj xeeb ua ntej siv. S43 - Thaum siv hluav taws ... S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) S43A - S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S22 - Tsis txhob nqus plua plav. S50 - Tsis txhob sib xyaw nrog… S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb. |
| UN IDs | UN 3129 4.3/PG 3 |
| WGK Germany | 2 |
| RTECS | ib 3325000 |
| FLUKA BRAND F CODE | 10-21 |
| TSCA | Yog lawm |
| HS Code | 28500090 ib |
| Hazard Class | 4.3 |
| Packing Group | I |
| Toxicity | LD50 qhov ncauj hauv luav: 160 mg/kg LD50 dermal Rabbit 230 mg/kg |
Taw qhia
Sodium borohydride yog ib qho inorganic compound. Nws yog cov hmoov hmoov uas yooj yim soluble hauv dej thiab tsim cov tshuaj alkaline.
Sodium borohydride muaj zog txo cov khoom thiab tuaj yeem hnov mob nrog ntau cov organic tebchaw. Nws yog dav siv hauv cov organic synthesis thiab feem ntau yog siv los ua tus neeg sawv cev hydrogenating. Sodium borohydride tuaj yeem txo aldehydes, ketones, esters, thiab lwm yam rau cov cawv sib xws, thiab tuaj yeem txo cov kua qaub rau cawv. Sodium borohydride tuaj yeem siv rau hauv decarboxylation, dehalogenation, denitrification thiab lwm yam kev cuam tshuam.
Kev npaj ntawm sodium borohydride feem ntau tau txais los ntawm cov tshuaj tiv thaiv ntawm borane thiab sodium hlau. Ua ntej, sodium hlau yog reacted nrog hydrogen los npaj sodium hydride, thiab ces reacted nrog trimethylamine borane (los yog triethylamineborane) nyob rau hauv ether hnyav kom tau sodium borohydride.
Sodium borohydride yog ib qho muaj zog txo tus neeg sawv cev uas cuam tshuam sai nrog cov dej noo thiab oxygen hauv huab cua kom tso tawm hydrogen. Lub thawv yuav tsum tau muab kaw kom sai thiab qhuav thaum lub sijhawm ua haujlwm. Sodium borohydride kuj reacts yooj yim nrog cov kua qaub kom tso cov pa hydrogen, thiab kev sib cuag nrog cov kua qaub yuav tsum zam. Sodium borohydride kuj yog tshuaj lom, thiab yuav tsum tau saib xyuas kom tsis txhob nqus tau los yog tawv nqaij. Thaum siv sodium borohydride, hnav hnab looj tes tiv thaiv thiab tsom iav, thiab xyuas kom meej tias kev ua haujlwm tau ua tiav hauv qhov chaw muaj cua zoo.
