p-Phenylenediamine, an organic compound with the formulaC6H8N2, is one of the simplest aromatic diamines and a widely usedintermediate.
Mainly used in the manufacture of azo dyes and sulfide dyes, but alsoused in the production of fur black D, fur blue black DB, fur brown NZand rubber antiaging agent DNP, 288, DOP, DBP. P-phenylenediamineis also used as the raw material of cosmetic hair dye ur silk D, gasolinepolymer inhibitor and developer.Determination of ammonia, copper, gold, hydrogen sulfide, iron,magnesium, oxidant, ozone, sulfur dioxide and vanadiumdetermination of chromium. Fluorescent indicator for acid-basetitration (pHs3.1 no fuorescence, pH>4.4 orangefuorescence). Reducing agent.
E tele a matou fale gaosi oloa maualuga ma le galulue faʻatasi, lea e mafai ona tuʻuina atu ia te oe oloa maualuga ma tau faʻatauvaʻa. Ma e mafai foi ona matou tuʻuina atu faʻaitiitiga mo faʻatauga tele.Ma matou te galulue faʻatasi ma le tele o kamupani faʻapolofesa felauaiga uta, e mafai ona tuʻuina atu oloa ma le saogalemu ma le sologa lelei i ou lima. Le taimi tu'uina atu e tusa ma le 3-20 aso talu ona fa'amaonia le totogiina.
Liu liusuavai | 139 °C |
Fa'apuna | 267 °C(lit.) |
mafiafia | 1.135 g/cm3 (20ºC) |
ausa mafiafia | 3.7 (vs air) |
mamafa ausa | 1.08 mm Hg ( 100 °C) |
fa'asino fa'asino | 1.6339 (estimate) |
Fp | 156 °C |
vevela vevela. | 2-8°C |
solubility | Soluble in alcohol, chloroform, ether and hot benzene. |
pka | 4.17(at 25ºC) |
fomu | Powder or Flakes |
Colour Index | 76060 |
lanu | White, gray, or purple to brown |
PH | 9 (50g/l, H2O, 20ºC) |
PH Range | NonQ uorescence (3.1) to orange/yellow Q uorescence (4.4) |
Suavai Solubility | 47 g/L (25 ºC) |
Merck | 14,7285 |
BRN | 742029 |
Exposure limits | TLV-TWA 0.1 mg/m3 (ACGIH 1989); TWA skin 0.1 mg/m3 (MSHA and OSHA); IDLH 25 mg/m3 (NIOSH); carcinogenicity: Animal Inadequate Evidence (IARC). . |
Stability: | Stable, but oxidizes when exposed to air. Incompatible with oxidizing agents. Store under inert atmosphere. |
1. O oe o se falegaosimea po'o se kamupani fefa'ataua'iga?
O matou o se compnay tu'ufa'atasiga alamanuia ma fefa'ataua'iga, tu'uina atu le tasi-taofi service.OEM e mafai ona talia.
2. E te tuʻuina atu faʻataʻitaʻiga? E leai se totogi pe fa'aopoopo?
Fa'ata'ita'iga fua.E mana'omia ona totogi le tau o uta a le fa'ata'ita'iga i lou itu.
3. E i ai ni au tusi faamaonia e fesoʻotaʻi ma le pulea lelei?
ISO 9001: 2008 faʻamaonia e faʻamautinoa le lelei.
4. O le a le mea e tatau ona ou saunia e maua ai se upusii?
Pls taʻu mai ia i matou le ituaiga oloa e te manaʻomia, faʻatonuga tele, tuatusi ma manaoga faʻapitoa.O le upusii o le a faia mo lau faʻamatalaga i le taimi.
5. O le a le ituaiga auala totogi e te manaʻo ai? O a ituaiga tuutuuga e talia?
Taliaina Tu'uina atu: FOB,CFR,CIF,EXW;
Talia Totogi Tupe:USD;
Tulaga Totogi Talia: T / T, Western Union; Paypal, Fefa'ataua'iga Fa'amautinoa.
Gagana Gagana: Igilisi.
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