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China Paraformaldehyde 30525-89-4 - China Supplier
China Paraformaldehyde 30525-89-4 - China Supplier

Paraformaldehyde 30525-89-4

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S?n ph?m khác

M? t?
Th?ng tin b? sung

C?ng th?c hóa(chǎn) h?c(CH2O)n
Kh?i l??ng phan t?90.08
C?ng th?c c?u t?oParaformaldehyde 30525-89-4
Kh?i l??ng riêng0.88 g/mL at 25 °C (lit.)
Nhi?t ?? nóng ch?y120-170 °C (lit.)
Nhi?t ?? s?i107.25°C (rough estimate)
?i?m ch?p cháy158°F
?? tan trong n??csparingly soluble
áp su?t h?i<1.45 mm Hg ( 25 °C)
Kh?i l??ng riêng h?i1.03 (vs air)
?? tanClorophenol trên 70 °C: Tan ???c
Ch? s? khúc x?1.4540 (estimate)
Giá tr? PH5.5 (H2O, 20℃)(saturated solution)
?i?u ki?n b?o qu?n2-8°C
?? ?n ??nh?n ??nh. Kh?ng t??ng thích v?i axit m?nh, axit h?u c?, ch?t oxy hóa(chǎn) m?nh, oxit, ki?m, ki?m m?nh, amin. D? cháy.
Th? tr?ngH?t
Màu s?cWhite to off-white
Mùiodor of formaldehyde
Merck14,7025
BRN102769
Tính ch?t v?t ly hóa(chǎn) h?cB?t tinh th? màu tr?ng, d? cháy, có mùi formaldehyde. Tan ch?m trong n??c l?nh, tan nhanh h?n trong n??c nóng. ?? tan trong n??c ? 20℃ là 0.24g/100cm3H2O. Kh?ng tan trong ethanol, ether. Tan trong dung d?ch natri hydroxit, kali hydroxit.

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