Sng-hoà a-lú-mih (酸化--) sī kheng-gîn kap sng-sò͘ ê hòa-ha̍p-bu̍t, hòa-ha̍k-sek Al2O3 . Tī khòng-gia̍p, tô-chû, kap châi-liāu kho-ha̍k chia-ê thoân-thé, mā tiāⁿ-tiāⁿ kā kiò-chò alumina.
Quick facts Sek-pia̍t-hō, Sèng-chit ...
Sng-hòa a-lú-mih
 |
 |
| Sek-pia̍t-hō |
CAS Number |
|
3D model (JSmol) |
|
| ChemSpider |
|
| ECHA InfoCard |
100.014.265 |
|
|
| RTECS number |
BD120000 |
| UNII |
|
InChI
InChI=1S/2Al.3O/q2*+3;3*-2 Y Key: PNEYBMLMFCGWSK-UHFFFAOYSA-N Y InChI=1/2Al.3O/q2*+3;3*-2 Key: PNEYBMLMFCGWSK-UHFFFAOYAC
|
SMILES
[Al+3].[Al+3].[O-2].[O-2].[O-2] [O-2].[O-2].[O-2].[Al+3].[Al+3]
|
| Sèng-chit |
|
Al2O3 |
| Mole chit-liōng |
101.96 g·mol−1 |
| Gōa-māu |
pe̍h-sek kò͘-thé |
| Khì-bī |
bô-bī |
| Bi̍t-tō͘ |
3.987g/cm3 |
| Iûⁿ-tiám |
2,072 °C (3,762 °F; 2,345 K)[1] |
| Hut-tiám |
2,977 °C (5,391 °F; 3,250 K)[2] |
Tī chúi ê iûⁿ-kái-tō͘ |
bē-iûⁿ-kái |
| Iûⁿ-kái-tō͘ |
tī diethyl ether ni̍h bē-iûn-kái
tī ethanol ni̍h si̍t-ēng-siōng bē-iûⁿ-kái |
| log P |
0.31860[3] |
Chû-hòa-lu̍t (χ) |
−37.0×10−6 cm3/mol |
| Jia̍t thoân-tó-lu̍t |
30 W·m−1·K−1[4] |
Khut-chiat-lu̍t (nD) |
nω=1.768–1.772
nε=1.760–1.763
Birefringence 0.008 |
| Kò͘-chō |
Kiat-chiⁿ kò͘-chō |
Trigonal, hR30, space group = R3c, No. 167 |
Keh-á tēng-sò͘ |
a = 478.5 pm, c = 1299.1 pm |
Phòe-ūi kí-hô |
octahedral |
| Jia̍t-hòa-ha̍k |
Piau-chún mole
entropy (So298) |
50.92 J·mol−1·K−1[5] |
Piau-chún hêng-sêng
enthalpy (ΔfHo298) |
−1675.7 kJ/mol[5] |
| Io̍h-lí-ha̍k |
ATC code |
D10AX04 (WHO) |
| Gûi-hiám |
EU hun-lūi-hoat (DSD) (kòe-sî) |
Bô khai-lia̍t |
| NFPA 704 |
|
| Ín-hóe-tiám |
Bû-jiân-sèng |
| Bí-kok kiān-hong pī-pha̍k chè-hān (NIOSH): |
PEL (Ē-thong-kòe) |
OSHA 15 mg/m3 (Total Dust)
OSHA 5 mg/m3 (Respirable Fraction)
ACGIH/TLV 10 mg/m3 |
REL (Chhui-chiàn) |
bô[6] |
IDLH (Chek-sî gûi-hiám) |
N.D.[6] |
| Koan-liân hòa-ha̍p-bu̍t |
|
chúi-sng-hòa a-lú-mih |
|
sam-sng-hòa phêng-sò͘
sng-hòa gallium
sng-hòa indium
sng-hòa thallium |
Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa). |
| Y cha-chèng (YN sī siáⁿ ?) |
| Infobox chham-chiàu |
|
|
Close
