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CAS 123-33-1 Maleic Hydrazide molecular structure lightbox
CAS RN: 123-33-1

Maleic Hydrazide

Product Availability

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9 package records8 with current stock6 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260527 1.2ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260125 1.2ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250202 1.2ml In stock Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260131 1.2ml In stock Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260126 100g In stock Shanghai Inquiry
Batchno.20250801 1kg Out of stock Inquiry
Batchno.20250227 25g In stock Shanghai, Wuhan Inquiry
Batchno.20260409 500g In stock Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260127 25g / 100g / 500g / 2.5kg Confirm by inquiry Shanghai, Shandong, Hebei, Guangdong, Chongqing Inquiry
  • Product code: SSC-026689
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 100g, 500g
  • Available purity: ＞97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 123-33-1
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ＞97% 0 Out of Stock Beijing Inquiry
500g ＞97% 0 Out of Stock Hong Kong Inquiry

123-33-1 / 1,2-dihydropyridazine-3,6-dione

Standard CAS: 123-33-1 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
123-33-1
Multi CAS
No
Molecular Formula
C4H4N2O2
Molecular Weight
112.090000
Exact Mass
112.027277
SMILES
C1=CC(=O)NNC1=O
InChI
InChI=1S/C4H4N2O2/c7-3-1-2-4(8)6-5-3/h1-2H,(H,5,7)(H,6,8)
InChIKey
BGRDGMRNKXEXQD-UHFFFAOYSA-N

Physical Properties

Melting Point
greater than 572 °F (decomposes) (NTP, 1992) 298-300 °C
Boiling Point
Decomposes (NTP, 1992)
Density
1.6 at 77 °F (USCG, 1999) - Denser than water; will sink 1.60 at 25 °C
Physical Description
Maleic hydrazide is an odorless white solid. Sinks in water. (USCG, 1999) Colorless, crystalline solid; [HSDB] White solid; Formulated as emulsifiable concentrate and soluble concentrate (liquid and solid); [Reference #1]
Appearance
Crystals from water COLORLESS CRYSTALLINE SOLID
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should store this material under ambient temperatures, and keep it away from oxidizing materials and strong acids. (NTP, 1992) /During transport:/ Storage temp: ambient; venting: open.

Computed Properties

Structural Parameters

Heavy atom count
8
Aromatic heavy atom count
6
H-bond acceptors
2
H-bond donors
2
Molar refractivity
27.68
TPSA
65.72

LogP / Solubility

WLOGP
-0.94
MLOGP
-0.83
XLogP3
-0.8
Consensus LogP
-0.86
Log S (ESOL)
-0.5
Class (ESOL)
Very soluble
Log S (Ali)
0.2
Class (Ali)
Highly soluble
Log S (SILICOS-IT)
0.39
Class (SILICOS-IT)
Highly soluble

ADME

GI absorption
Low
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-4.07

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Irritant Health Hazard
Signal
Warning
GHS Hazard Statements
H315 (57.5%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (57.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (56.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H341 (56.2%): Suspected of causing genetic defects [Warning Germ cell mutagenicity] H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
Precautionary Statement Codes
P203, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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