Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Valeraldehyde 2,4-Dinitrophenylhydrazone
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: n-Valeraldehyde 2,4-dinitrophenylhydrazone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2057-84-3

2057-84-3 structure

2057-84-3 structure

Name: Valeraldehyde 2,4-Dinitrophenylhydrazone
Chemical Name: n-valeraldehyde 2,4-dinitrophenylhydrazone
CAS Number: 2057-84-3
Molecular Formula: C₁₁H₁₄N₄O₄
Molecular Weight: 266.25300
Catalog: Chemical reagent Organic reagent 腙
Create Date: 2018-04-15 08:00:00
Modify Date: 2025-08-23 13:34:26

Name	n-valeraldehyde 2,4-dinitrophenylhydrazone
Synonyms	pentanal 2,4-dinitrohydrazone Valeraldehyde-DNPH VALERALDEHYDE-2,4-DNPH,100MG,NEAT N-VALERALDEHYDE-DNPH N-PENTANAL 2,4-DINITROPHENYLHYDRAZONE VALERALDEHYDE 2,4-DINITROPHENYLHYDRAZONE Valeraldehyde 2,4-Dinitrophenylhydrazone VALERALDEHYDE-DNPH Pentanal-DNPH Valeraldehyd-2,4-dinitrophenylhydrazon Valeraldehyde-2,4-DNPH valeraldehyde-2,4-dnph

Density	1.32g/cm3
Boiling Point	412.6ºC at 760mmHg
Melting Point	103-105ºC(lit.)
Molecular Formula	C₁₁H₁₄N₄O₄
Molecular Weight	266.25300
Flash Point	203.3ºC
Exact Mass	266.10200
PSA	116.03000
LogP	4.21030
Vapour Pressure	5.12E-07mmHg at 25°C
Index of Refraction	1.592
Storage condition	0-6°C

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi,T,F
Risk Phrases	36/37/38-23/24/25-11
Safety Phrases	26-45-27-16
RIDADR	UN 1648 3/PG 2
HS Code	2928000090

Precursor 8
71-41-0 119-26-6 110-62-3 60484-84-6
3922-27-8 78839-96-0 13959-97-2 3658-79-5
DownStream 0

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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