Cas no 521-31-3 (Luminol)

Luminol is a chemiluminescent reagent used for detecting trace amounts of hydrogen peroxide or ferric ions in various samples. Its key advantages lie in its high sensitivity and specificity, allowing for quantitative analysis with minimal interference from matrix effects, making it a valuable tool in forensic, pharmaceutical, and environmental applications.
Luminol structure
Luminol structure
Product Name:Luminol
CAS No:521-31-3
MF:C8H7N3O2
MW:177.160081148148
MDL:MFCD00006890
CID:37986
PubChem ID:10638
Update Time:2025-10-27

Luminol Chemical and Physical Properties

Names and Identifiers

    • 5-Amino-2,3-dihydrophthalazine-1,4-dione
    • 5-Amino-2,3-dihydro-1,4-phthalazinedione~Luminol
    • Luminol 3-Aminophthalhydrazide
    • 5-amino-2,3-dihydro-1,4-*phthalazinedione free ac
    • 5-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione
    • Luminol
    • RARECHEM AH BS 0053
    • AURORA KA-3798
    • 3-AMINOPHTHALHYDRAZINE
    • 3-AMINOPHTHALIC HYDRAZIDE
    • 3-AMINOPHTHALOYLHYDRAZINE
    • 3-AMINOPHTHALHYDRAZIDE
    • 2,3-Dihydro-5-nitro-4-phthalazinedione
    • Luminol [Chemiluminescence Reagent]
    • 5-Amino-2.3-dihydro-1.4-phthalazinedione
    • Diogenes reagent
    • 5-Amino-2,3-dihydro-1,4-phthalazinedione
    • Dia0003Luminol
    • LuminolFreeAcid
    • o-Aminophthalhydride
    • phthalazinedione
    • 3-Aminophthalic hydrazide (Luminol)
    • s6819
    • 3-Aminophthalylhydrazide
    • o-aminophthalylhydrazide
    • F1313-0002
    • CCRIS 5962
    • 1,2-Benzenedicarboxylic acid, 3-amino-, cyclic hydrazide
    • 5-Amino-2,3-dihydro-1,4-phthalazinedone
    • Luminol, SAJ special grade
    • L-8610
    • 5-Amino-2,3-dihydro-phthalazine-1,4-dione
    • EINECS 208-309-4
    • DTXCID004504
    • 521-31-3
    • 3-Aminophthalic acid hydrazide
    • MLS002637790
    • BDBM50125759
    • 3-Aminophthalhydrazide (Luminol)
    • BB 0245795
    • CHEMBL442329
    • 1, 5-amino-2,3-dihydro-
    • Tox21_200940
    • AKOS000111313
    • SDCCGMLS-0065581.P001
    • A828942
    • (E)-4-oxo-4-(3-triethoxysilylpropylamino)but-2-enoic acid;Luminol
    • NCGC00091452-02
    • 5-Amino-1,4-dihydroxyphthalazine
    • HB0796
    • A814795
    • DTXSID5024504
    • UNII-5EXP385Q4F
    • SY011102
    • SR-01000389300-1
    • LUMINOL [MI]
    • 5-aminophthalazine-1,4-diol
    • EN300-16893
    • HMS3093K04
    • Z56813244
    • BCP18652
    • EU-0066798
    • NCGC00258494-01
    • AC-13306
    • Luminol, >=97% (HPLC)
    • STR04818
    • NSC-5064
    • NS00032429
    • 5EXP385Q4F
    • Luminol, 97%
    • Oprea1_819727
    • SCHEMBL20086
    • AKOS002945870
    • L-8600
    • 5-amino-1,4-phthalazinediol
    • MFCD00006890
    • SR-01000389300
    • InChI=1/C8H7N3O2/c9-5-3-1-2-4-6(5)8(13)11-10-7(4)12/h1-3H,9H2,(H,10,12)(H,11,13
    • CAS-521-31-3
    • SMR001547307
    • 1,4-Phthalazinedione, 5-amino-2,3-dihydro-
    • Oprea1_698774
    • Q408061
    • FT-0615056
    • AI3-52555
    • Luminol, for chemiluminescence, >=98.0% (HPLC)
    • NSC5064
    • AKOS016399881
    • 5-amino-2,3-dihydrophthalazine-1,4-dione;Luminol sodium salt
    • 1H-1,2,4-Triazole,3-iodo-
    • HY-15922
    • 20666-12-0
    • monosodium-alpha-luminol
    • NSC 5064
    • o-Aminophthaloyl hydrazide
    • NCGC00091452-01
    • L-8601
    • 1, 3-amino-, cyclic hydrazide
    • 5-Amino-1,2,3,4-tetrahydro-1,4-phthalazinedione
    • AC-33248
    • 5-amino-4-hydroxyphthalazin-1(2H)-one
    • BBL002758
    • ALBB-019203
    • BRD-K52559566-001-01-1
    • A5301
    • STK138069
    • BRD-K52559566-001-02-9
    • STL280212
    • PXB93196
    • 8-amino-4-hydroxyphthalazin-1(2h)-one
    • FL171930
    • Luminol - for Western Blot and ELISA
    • FL06675
    • MDL: MFCD00006890
    • Inchi: 1S/C8H7N3O2/c9-5-3-1-2-4-6(5)8(13)11-10-7(4)12/h1-3H,9H2,(H,10,12)(H,11,13)
    • InChI Key: HWYHZTIRURJOHG-UHFFFAOYSA-N
    • SMILES: O=C1C2C(=CC=CC=2C(NN1)=O)N
    • BRN: 383929

Computed Properties

  • Exact Mass: 177.05400
  • Monoisotopic Mass: 177.053826
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 0
  • Complexity: 254
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 38
  • XLogP3: 0.3
  • Topological Polar Surface Area: 84.2

Experimental Properties

  • Color/Form: White crystalline powder. Sensitive to air.
  • Density: 1.3393 (rough estimate)
  • Melting Point: >300?°C (lit.)
  • Boiling Point: 621.9°C at 760 mmHg
  • Flash Point: 329.9±30.1 °C
  • Refractive Index: 1.6500 (estimate)
  • Solubility: Solubility Insoluble in water, soluble in dimethyl sulfoxide, base
  • Water Partition Coefficient: <0.1 g/100 mL at 19 oC
  • Stability/Shelf Life: Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents. Emits light on reaction with oxidizers.
  • PSA: 91.74000
  • LogP: 0.37980
  • Merck: 5600
  • pka: (Calcd.) 10.50 ± 0.20;;0.58 ± 0.20(at 25℃)
  • λmax: 425nm
  • PH: NonH uorescence (6.0) to blue H uorescence (7.0)
  • Sensitiveness: Sensitive to air
  • Solubility: less than 1 mg/mL at 66° F (NTP, 1992)

Luminol Security Information

  • Symbol: GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H315,H319,H335
  • Warning Statement: P261,P305+P351+P338
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S26-S36/37-S37/39
  • FLUKA BRAND F CODES:10-23
  • RTECS:TH8890060
  • Hazardous Material Identification: Xi
  • TSCA:Yes
  • Storage Condition:Powder -20°C 3 years ? 4°C 2 years In solvent -80°C 6 months ? -20°C 1 month
  • Risk Phrases:R22; R36/37/38
  • Safety Term:S26;S37/39

Luminol Customs Data

  • HS CODE:29339990
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Luminol Pricemore >>

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Luminol Suppliers

ASIACHEM I&E (JIANGSU) CO., LTD
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(CAS:521-31-3)Luminol (3-Aminophthalic hydrazide)
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Quantity:25kg
Purity:98.500%
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Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:521-31-3)3-Aminophthalhydrazide
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Quantity:25KG,200KG,1000KG
Purity:99%
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(CAS:521-31-3)3-Aminophthalic hydrazide(Luminol)
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Quantity:25KG
Purity:98%
Pricing Information Last Updated:Tuesday, 15 July 2025 15:40
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Luminol Spectrogram

1H NMR 300 MHz DMSO
1H NMR
13C NMR
13C NMR

Luminol Related Literature

Related Categories

Additional information on Luminol

Introduction to Luminol (CAS No. 521-31-3): Applications and Recent Research Developments

Luminol, chemically known as 3-aminophthalhydrazide, is a compound with the CAS number 521-31-3. It has garnered significant attention in various scientific fields due to its unique luminescent properties. This article provides a comprehensive overview of Luminol, its applications, and the latest research findings that highlight its importance in modern science.

The chemical structure of Luminol consists of a phthalhydrazide core, which is responsible for its remarkable chemiluminescence. When excited by certain reactions, Luminol emits a bright blue glow, making it an invaluable tool in various analytical and diagnostic techniques. The compound's ability to produce light without the need for external excitation sources has opened up numerous possibilities in both laboratory research and practical applications.

In recent years, Luminol has been extensively studied for its potential in environmental monitoring. One of the most notable applications is in the detection of hydrogen peroxide and other reactive oxygen species. Researchers have developed highly sensitive methods using Luminol-based chemiluminescence to detect trace amounts of these substances in environmental samples. This has been particularly useful in assessing water quality and monitoring industrial processes where the presence of reactive oxygen species can indicate potential issues.

Moreover, Luminol has found applications in the field of biomedicine. Its luminescent properties have been utilized in bioimaging techniques, allowing researchers to visualize biological processes in real-time. For instance, Luminol has been used to track cellular respiration and study metabolic activity in living cells. The high sensitivity of Luminol-based assays makes it an ideal candidate for detecting subtle changes in cellular processes, providing valuable insights into disease mechanisms and potential therapeutic targets.

Another emerging area where Luminol is making significant contributions is in forensic science. The compound's ability to produce a persistent glow when reacting with certain metals has made it useful for detecting latent fingerprints at crime scenes. This technique, known as luminography, can reveal fingerprints that are invisible to the naked eye, providing crucial evidence in criminal investigations. Recent advancements in luminography have improved the sensitivity and durability of Luminol-based detection methods, making them even more reliable and effective.

The versatility of Luminol extends to the field of material science as well. Researchers have explored its use in developing luminescent materials for sensors and optoelectronic devices. These materials can be used to create highly sensitive detectors for various gases and chemicals, offering new possibilities for environmental monitoring and industrial safety applications. The unique luminescent properties of Luminol also make it a valuable component in organic light-emitting diodes (OLEDs), contributing to the development of more efficient and sustainable display technologies.

In conclusion, Luminol (CAS No. 521-31-3) is a compound with a wide range of applications across multiple scientific disciplines. Its chemiluminescent properties have enabled groundbreaking research in environmental monitoring, biomedicine, forensic science, and material science. As research continues to uncover new uses for this remarkable compound, its importance in advancing scientific knowledge and technological innovation is set to grow even further.

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ASIACHEM I&E (JIANGSU) CO., LTD
(CAS:521-31-3)Luminol (3-Aminophthalic hydrazide)
AC012
Purity:98.500%
Quantity:25kg
Price ($):Inquiry
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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:521-31-3)3-Aminophthalhydrazide
LE5548
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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