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Sodium dithionite (mā kiò-tsò sodium hydrosulfite; hàn-gú: 連二亞硫酸鈉 (lên-jī a-liû-sng la̽p), 低亞硫酸鈉 (kē a-liû-sng la̽p), 二硫亞磺酸鈉 (jī-liû a-hông-sng la̽p)) sī pe̍h-sik ket-tsiñ-sìng ê hún-bua̍h, ū liû-hông khì-bī. Sui-jên teh ta-sò ê khong-khì tang-tiong sī ún-tīng ê, m̄-koh sio-tsuí hām sng iông-ı̽k lāi-té ê hun-kái . sio̍k-tshing pó-hiám-hún ,hun-tsí-sik Na2S2O4, sī tsi̍t-tsióng kiông huân-guân-tse, ē-tàng tsè-sîng si̍t-phín phiò-pe̽h-che .[1]
Hō-miâ | |
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Kî-tha hō-miâ
D-Ox, Hydrolin, Reductone sodium hydrosulfite, sodium sulfoxylate, Sulfoxylate Vatrolite, Virtex L Hydrosulfit, Prayon Blankit, Albite A, Konite Zepar, Burmol, Arostit | |
Sek-pia̍t-hō | |
CAS Number |
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3D model (JSmol) |
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.028.991 |
EC Number | 231-890-0 |
PubChem CID |
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RTECS number | JP2100000 |
UNII | |
UN number | 1384 |
InChI
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SMILES
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Sèng-chit | |
Na2S2O4 | |
Mole chit-liōng | 174.107 g/mol (anhydrous) 210.146 g/mol (dihydrate) |
Gōa-māu | white to grayish crystalline powder light-lemon colored flakes |
Khì-bī | faint sulfur odor |
Bi̍t-tō͘ | 2.38 g/cm3 (anhydrous) 1.58 g/cm3 (dihydrate) |
Iûⁿ-tiám | 52 °C (126 °F; 325 K) |
Hut-tiám | Decomposes |
Tī chúi ê iûⁿ-kái-tō͘ |
18.2 g/100 mL (anhydrous, 20 °C) 21.9 g/100 mL (Dihydrate, 20 °C) |
Iûⁿ-kái-tō͘ | slightly soluble in alcohol |
Gûi-hiám | |
GHS pictograms | |
GHS signal word | Danger |
NFPA 704 |
3
2
1 |
Ín-hóe-tiám | 100 °C (212 °F; 373 K) |
Autoignition temperature |
200 °C (392 °F; 473 K) |
Koan-liân hòa-ha̍p-bu̍t | |
Kî-tha im-lî-chú |
Sodium sulfite Sodium sulfate |
Koan-liân hòa-ha̍p-bu̍t |
Sodium thiosulfate Sodium bisulfite Sodium metabisulfite Sodium bisulfate |
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). | |
cha-chèng ( sī siáⁿ ?) | |
Infobox chham-chiàu | |
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