Math acid (Maa)
| Orukọ ọja | Mathidrion acid |
| Cas no. | 79-41-4 |
| Alolacular agbekalẹ | C4h6o2 |
| Iwuwo Molucular | 86.09 |
| Apela igbekale | |
| Nọmba Einecs | 201-204-4 |
| MDL Bẹẹkọ | Mfcd00002651 |
Daara Ojuami 12-16 ° C (Th.)
Farabale aaye 163 ° C (thit.)
Iwuwo 1.015 g / milimita ni 25 ° C (Th.)
Fapor iwuwo> 3 (vs afẹfẹ)
Vapor titẹ 1 mm HG (20 ° C)
Frace Index N20 / D 1.431 (TAN.)
Flash aaye 170 ° F
Ṣe ibi ipamọ ipamọ si + 15 ° C si + 25 ° C.
Solubilit Chloroform, methanol (die)
Fọọmu omi
Otitọ ti acidity (PKA) PK1: 4.66 (25 ° C)
Awọ kore
Oorun naa jẹ ijafafa
PH 2.0-2.2 (100g / l, H2O, 20 ℃)
Iwọn bugbamu 1.6-8.7% (v)
Solubility omi 9.7g / 100 milimita (20 ºC)
Ọrinrin & ifura ina. Ọrinrin & ifura ina
Merck14,5941
BRN1719937
Ala ti ifihan TLV-TWA 20 PPM (~ 70 mg / m3) (ACGIH).
Iduro iduroṣinṣin le wa ni iduroṣinṣin fun afikun ti mehq (eefun hydroquene, CA. 250 PPM) tabi hydroquinone. Ni awọn isansa ti iṣẹ iduroṣinṣin yi yoo ni imule ni imurasilẹ. Idapọmọra. Ni ibamu pẹlu awọn aṣoju ti o lagbara, hydrochloric acid.
Inchikeycreqoiikmf-uhffaoysa-n
Logp0.93 ni 22 ℃
Awọn ọrọ ewu: ewu
Apejuwe Ewu H302 + H332-H311-H314-H335
Awọn iṣọra P261-P280-P212-P361 + P363 + P363 + P310-P305 + P351 + P331 + P331 + P335
Awọn ohun elo Awọn ohun ti o lewu Kẹhin C
Koodu Ẹka Ewu 21 / 22-35-37-20 / 21/22
Awọn ilana Aabo 26-36 / 37 / 39-45
Koodu Awọn ohun elo Awọn ohun elo Ewu At 2531 8 / PG 2
WGK Germany1
Nọmba Rtecs Oz2975000
Iwọn otutu ti kokopọ 752 ° F
Tuscayees
Koodu Awọn kọsita 2916 13 00
Ipele Ewu 8
Ẹya Ẹya II
Majele ld50 ni ehoro: 1320 mg / kg
S26: Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu omi opolopo ati wa imọran ilera.
S36 / 37/39: Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / aabo oju.
S45: Ni ọran ijamba tabi ti o ba lero pe ko si oorun, wa imọran imọran lẹsẹkẹsẹ (fi ọrú dable ti o ti ṣee).
Fipamọ ni ibi itura. Jẹ ki apoti airaduro ati fipamọ ni aaye gbigbẹ, aaye ti a ṣe afẹfẹ.
Asopọ ni 25kg; 200kg; 1000kg ilu, tabi kojọpọ ni ibamu si awọn aini alabara.
Metmocricric acid jẹ ohun elo aise kemikali ti Organic pataki ati aladapọ polymediate.
