Thòaⁿ-sng

Thòaⁿ-sng

Structural formula Ball-and-stick model
Hō-miâ
Iu-sian ê IUPAC hō-miâ Carbonic acid
Kî-tha hō-miâ Carbon dioxide solution Dihydrogen carbonate Hydrogen bicarbonate Acid of air Aerial acid Hydroxymethanoic acid
Sek-pia̍t-hō]
CAS Number	463-79-6 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:28976 Y
ChEMBL	ChEMBL1161632 Y
ChemSpider	747 Y
ECHA InfoCard	100.133.015
EC Number	610-295-3
KEGG	C01353 Y
PubChem CID	767
InChI InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4) Y Key: BVKZGUZCCUSVTD-UHFFFAOYSA-N Y InChI=1/CH2O3/c2-1(3)4/h(H2,2,3,4) Key: BVKZGUZCCUSVTD-UHFFFAOYAU
SMILES O=C(O)O
Sèng-chit
Hòa-ha̍k-sek	H2CO3
Mole chit-liōng	62.03 g/mol
Bi̍t-tō͘	1.668 g/cm3
Tī chúi ê iûⁿ-kái-tō͘	Ka-ta tī iông-e̍k ún-tēng
Acidity (pKa)	3.6 (pKa1 ka-ta H2CO3), 6.3 (pKa1 hâm CO2(aq)), 10.32 (pKa2)
Conjugate base	Bicarbonate
Koan-liân hòa-ha̍p-bu̍t
Koan-liân hòa-ha̍p-bu̍t	Acetone Urea Carbonyl fluoride
Gûi-hiám
NFPA 704	0 0 1
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

Thoàⁿ-sng (炭酸たんさん), hoà-ha̍k-sek H₂CO₃, sī chi̍t khoán bô-ki sng, mā sī jio̍k-sng.