Salicylaldehyde (CAS # 90-02-8)
| Risk Codes | R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos. R36/38 - Kab mob rau qhov muag thiab tawv nqaij. R68 - Muaj peev xwm ua rau muaj kev cuam tshuam tsis zoo R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R51 - Tshuaj lom rau cov kab mob hauv dej R36 - Khau qhov muag 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. R22 - Ua phem yog tias nqos |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S36 - Hnav khaub ncaws tiv thaiv zoo. S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb. S64 - S29/35 - |
| UN IDs | ib 3082 |
| WGK Germany | 2 |
| RTECS | VN5250000 |
| FLUKA BRAND F CODE | 8-10-23 : kuv |
| TSCA | Yog lawm |
| HS Code | 2912990 ib |
| Hazard Class | 6.1 (b) |
| Packing Group | II |
| Toxicity | MLD hauv nas (mg / kg): 900-1000 sc (Binet) |
Taw qhia
Salicylaldehyde yog ib qho organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm salicylaldehyde:
Zoo:
- Cov tsos mob: Salicylaldehyde yog cov xim tsis muaj xim rau yellowish kua nrog tshwj xeeb iab almond aroma.
- Solubility: Salicylaldehyde muaj ntau solubility hauv dej thiab tseem soluble nyob rau hauv feem ntau cov organic solvents.
Siv:
- Flavors thiab flavors: Salicylaldehyde muaj ib tug tshwj xeeb iab almond aroma thiab feem ntau yog siv nyob rau hauv perfumes, soaps thiab luam yeeb ua ib tug ntawm cov khoom ntawm cov tshuaj tsw qab.
Txoj kev:
- Feem ntau, salicylaldehyde tuaj yeem tsim los ntawm salicylic acid los ntawm cov tshuaj tiv thaiv redox. Qhov feem ntau siv oxidant yog acidic poov tshuaj permanganate daws.
- Lwm txoj kev npaj yog kom tau txais salicylyl cawv ester los ntawm chlorination ester ntawm phenol thiab chloroform catalyzed los ntawm hydrochloric acid, thiab ces kom tau salicylaldehyde los ntawm hydrolysis cov tshuaj tiv thaiv catalyzed los ntawm acid.
Cov ntaub ntawv kev nyab xeeb:
- Salicylaldehyde yog ib yam tshuaj hnyav thiab yuav tsum tau zam los ntawm kev sib cuag ncaj qha rau ntawm daim tawv nqaij thiab qhov muag.
- Thaum siv lossis tuav salicylaldehyde, tswj kom muaj cua zoo thiab tsis txhob nqus nws cov vapors.
- Thaum khaws cia salicylaldehyde, nws yuav tsum tau khaws cia rau hauv lub thawv airtight, kom deb ntawm qhov hluav taws kub thiab oxidants.
- Yog tias salicylaldehyde noj lossis nqus tau los ntawm qhov yuam kev, nrhiav kev pab kho mob tam sim ntawd.
