Reagents, C

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  • 2-Chloro-5-nitrobenzotrifluoride, 98%

    Alfa Aesar

    Formula: C7H3ClF3NO2 Formula weight: 225.55 Purity: 98% CAS Number: 777-37-7 Packing Group: III Harmonized Tariff Code:  2904.90 Hazard Statements: H311-H332-H315-H319 Toxic in contact with skin. Harmful if inhaled. Causes skin irritation. Causes serious eye irritation. …

  • Cobalt(II) thiocyanate, 98+%

    Alfa Aesar

    Formula: C2CoN2S2 Formula weight: 175.10 Purity: 98+% CAS Number: 3017-60-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2842.90 Hazard Statements: H302-H312-H332 Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled. …

  • Cobalt(II) oxide, 99.995% (metals basis)

    Alfa Aesar

    Formula: CoO, may contain up to 10 Co3O4 Formula weight: 74.93 Purity: 99.995% (metals basis) CAS Number: 1307-96-6 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2822.00 Hazard Statements: H351-H302-H317 Suspected of causing cancer.…

  • Cellulase, chromatographically purified, T. reesei

    Alfa Aesar

    Synonym(s): EC 3.2.1.4, 1,4-(1,3;1,4)-^b-D-Glucan-4-glucanohydrolase CAS Number: 9012-54-8 Harmonized Tariff Code:  3507.90 Hazard Statements: H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. Precautionary Statements: P284a-P261-P342+P311-P304+P341-P501a…

  • 3-Chloro-6-iodopyridazine, 97%

    Alfa Aesar

    Formula: C4H2ClIN2 Formula weight: 240.43 Purity: 97% CAS Number: 135034-10-5 Harmonized Tariff Code:  2933.99 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with eyes, rinse immediately with plenty of water…

  • Chitin

    Alfa Aesar

    Formula: (C10H19NO5)n Formula weight: 233.26 CAS Number: 1398-61-4 Harmonized Tariff Code:  3913.90

  • Citric acid, 99+%

    Alfa Aesar

    Formula: C6H8O7 Formula weight: 192.13 Purity: 99+% CAS Number: 77-92-9 Harmonized Tariff Code:  2918.14 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin irritation. Precautionary Statements: …

  • Calcium hydroxide, ACS, 95.0% min

    Alfa Aesar

    Formula: CaH2O2 Formula weight: 74.09 Purity: 95.0% min CAS Number: 1305-62-0 UN Number: UN3262 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2825.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …

  • Copper(II) selenite hydrate, 97%

    Alfa Aesar

    Formula: CuO3Se xH2O Formula weight: 190.50(anhy) Purity: 97% CAS Number: 10214-40-1 UN Number: UN2630 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs…

  • Chloramine-T trihydrate, 98%

    Alfa Aesar

    Synonym(s): N-Chloro-p-toluenesulfonamide sodium salt trihydrate, Tosylchloramide sodium trihydrate Formula: C7H7ClNNaO2S 3H2O Formula weight: 281.69 (227.67anhy) Purity: 98% CAS Number: 7080-50-4 UN Number: UN3263 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  …

  • Calcium carbonate, Puratronic r, 99.997% (metals basis)

    Alfa Aesar

    Formula: CaCO3 Formula weight: 100.09 Purity: 99.997% (metals basis) CAS Number: 471-34-1 Harmonized Tariff Code:  2836.50

  • Calcium phosphate tribasic, 34-40% Ca

    Alfa Aesar

    Synonym(s): Calcium phosphate hydroxide, Hydroxylapatite Formula: Ca10(OH)2(PO4)6 (approximate) Formula weight: 1004.67 CAS Number: 12167-74-7 Harmonized Tariff Code:  2835.26 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • ^b-Cyclodextrin hydrate

    Alfa Aesar

    Synonym(s): Schardinger ^b-dextrin, Cycloheptaamylose Formula: C42H70O35 xH2O Formula weight: 1134.98(anhy) CAS Number: 68168-23-0 Harmonized Tariff Code:  2940.00

  • Cesium bromide, ultra dry, 99.9% (metals basis)

    Alfa Aesar

    Formula: CsBr Formula weight: 212.81 Purity: 99.9% (metals basis) CAS Number: 7787-69-1 Harmonized Tariff Code:  2827.59 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or…

  • 4-(4-Chlorobenzyl)pyridine, 97%

    Alfa Aesar

    Formula: C12H10ClN Formula weight: 203.67 Purity: 97% CAS Number: 4409-11-4 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear…

  • Calcium fluoride, Reagent Grade, 97%

    Alfa Aesar

    CAS Number : 7789-75-5 MDL: MFCD00010907 EINECS: 232-188-7 Formula: CaF2 Formula Weight: 78.08 Form: Powder Melting Point: 1403° Boiling Point: ca 2500° Density: 3.18 Refractive Index: 1.434 Sensitivity: …

  • Copper flake, 1-5 micron, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7440-50-8 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  7406.20 Hazard Statements: H228-H319-H335 Flammable solid. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Crotonaldehyde, predominantly trans, 98+%

    Alfa Aesar

    Synonym(s): 2-Butenal Formula: C4H6O Formula weight: 70.09 Purity: 98+% CAS Number: 4170-30-3 UN Number: UN1143 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2912.19 Hazard Statements: H225-H301-H311-H330-H341-H373-H315-H335 Highly flammable liquid and…

  • Chloroacetic acid, 99%

    Alfa Aesar

    Synonym(s): Monochloroacetic acid Formula: C2H3ClO2 Formula weight: 94.50 Purity: 99% CAS Number: 79-11-8 UN Number: UN1751 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2915.40 Hazard Statements: H301-H311-H331-H314 Toxic if swallowed. Toxic in contact…

  • Curcumin, 95% (total curcuminoid content), from Turmeric rhizome

    Alfa Aesar

    Synonym(s): 1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione, C.I. 75300 Formula: C21H20O6 Formula weight: 368.39 Purity: 95% (total curcuminoid content), from Turmeric rhizome CAS Number: 458-37-7 Harmonized Tariff Code:  3203.00 Hazard Statements: H315-H319-H335 …

  • Casein Peptone

    Alfa Aesar

    Synonym(s): Peptones, casein CAS Number: 91079-40-2 Harmonized Tariff Code:  3504.00

  • cis-Stilbene, 97%

    Alfa Aesar

    Synonym(s): cis-1,2-Diphenylethylene Formula: C14H12 Formula weight: 180.25 Purity: 97% CAS Number: 645-49-8 Harmonized Tariff Code:  2902.90 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P305+P351+P338 IF IN EYES: Rinse cautiously with…

  • Cobalt(II,III) oxide, 99.7% (metals basis)

    Alfa Aesar

    Formula: Co3O4 Formula weight: 240.80 Purity: 99.7% (metals basis) CAS Number: 1308-06-1 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2822.00 Risk Phrases: 40-43-50/53 Possible risk of irreversible effects. May cause sensitisation by skin…

  • 1-Chlorobutane, HPLC Grade, 99.5+%

    Alfa Aesar

    Synonym(s): n-Butyl chloride Formula: CH3(CH2)3Cl Formula weight: 92.57 Purity: 99.5+% CAS Number: 109-69-3 UN Number: UN1127 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.19 Hazard Statements: H225 Highly flammable liquid and vapour. Precautionary…

  • Ciprofloxacin hydrochloride

    Alfa Aesar

    Formula: C17H18FN3O3 HCl Formula weight: 367.80 CAS Number: 86393-32-0 Harmonized Tariff Code:  2933.59

  • Cerium(III) ammonium nitrate tetrahydrate, Reagent Grade

    Alfa Aesar

    Synonym(s): Ammonium cerium(III) nitrate Formula: H8CeN7O15 4H2O Formula weight: 558.28 (486.22anhy) CAS Number: 13083-04-0 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2846.10 Hazard Statements: H272-H315-H319 May intensify fire;…

  • Cresyl Violet acetate

    Alfa Aesar

    Synonym(s): 9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt, Cresyl echt violet Formula: C18H15N3O3 Formula weight: 321.33 CAS Number: 10510-54-0 Harmonized Tariff Code:  3204.19

  • Chlortetracycline hydrochloride

    Alfa Aesar

    Synonym(s): 7-Chlorotetracycline hydrochloride, Aureomycin Formula: C22H23ClN2O8 HCl Formula weight: 515.34 CAS Number: 64-72-2 Harmonized Tariff Code:  2941.30 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Cyanide, standard solution, Specpure r, CN - 1000µg/ml

    Alfa Aesar

    Formula: KCN in 0.1 NaOH Harmonized Tariff Code:  3822.00 Hazard Statements: H301-H311-H332 Toxic if swallowed. Toxic in contact with skin. Harmful if inhaled. Precautionary Statements: P261-P280-P301+P310-P361-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. Wear…

  • 4-Chlorobenzoyl chloride, 98%

    Alfa Aesar

    Formula: C7H4Cl2O Formula weight: 175.01 Purity: 98% CAS Number: 122-01-0 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.39 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary…

  • Cerium(IV) ammonium sulfate dihydrate, ACS, 94% min

    Alfa Aesar

    Synonym(s): Ammonium cerium sulfate Formula: (NH4)4Ce(SO4)4 2H2O Formula weight: 632.56 (596.53anhy) Purity: 94% min CAS Number: 10378-47-9 Harmonized Tariff Code:  2846.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Chlorotris(triphenylphosphine)rhodium(I), 97%

    Alfa Aesar

    Synonym(s): Wilkinson's catalyst, Tris(triphenylphosphine)rhodium(I) chloride Formula: C54H45ClP3Rh Formula weight: 925.23 Purity: 97% CAS Number: 14694-95-2 Harmonized Tariff Code:  2843.90 Risk Phrases: 53 May cause long-term adverse effects in the aquatic environment. …

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