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NAPHTHALENE (CHEMICALLY PURE)

1-NAPHTHOL (CHEMICALLY PURE)

2-NAPHTHOL (CHEMICALLY PURE)

p-NAPHTHOLBENZEIN (pH Indicator)

NAPHTHOL BLUE BLACK

N-(1-NAPTHYL)ETHYLENEDIAMINE dihydrochloride (ANALYTICAL REAGENT)

NEOCUPRONINE

NEOCUPRONINE HYDROCHLORIDE

NESSLER'S REAGENT (For the detection and determination of ammonia and ammonium salts)

NEUTRAL RED (pH Indicator)

NEUTRAL RED 1% aqueous solution

NICKEL (standard solution 1000ppm)

NICKEL foil 0.15mm

NICKEL(II) CARBONATE basic

NICKEL(II) CHLORIDE (CHEMICALLY PURE)

NICKEL(II) CHLORIDE (ANALYTICAL REAGENT)

NICKEL(II) NITRATE (CHEMICALLY PURE)

NICKEL(II) SULPHATE hydrated (CHEMICALLY PURE)

NINHYDRIN (ANALYTICAL REAGENT)

NITRIC ACID 69% (TECHNICAL GRADE)

NITRIC ACID 69% (CHEMICALLY PURE)

NITRIC ACID (69% BP)

NITRIC ACID 69% (ANALYTICAL REAGENT)

NITRIC ACID 69% (HPA for trace metal analysis)

NITRIC ACID 65% (ANALYTICAL REAGENT)

NITRIC ACID 65% (ANALYTICAL REAGENT)

NITRIC ACID 1.0M solution (VOLUMETRIC SOLUTION)

3-NITROANILINE (CHEMICALLY PURE)

4-NITROANILINE (CHEMICALLY PURE)

NITROBENZENE (CHEMICALLY PURE)

NITROETHANE

2-NITROPHENOL (CHEMICALLY PURE)

4-NITROPHENOL (CHEMICALLY PURE)

4-NITROPHENYLPHOSPHATE di-Sodium salt (CHEMICALLY PURE)

NUTRIENT AGAR

NAPHTHALENE
CHEMICALLY PURE
C10H8 = 128.17
Assay99% min.
Melting point79.5 - 80.2ºC
Non-volatile residue<0.05%
N0202/R4  500gPx1x6
H: H302, H350, H410
P: P273, P281, P308+P313
P symbolP symbol
P symbolWARNING 		UN No:1334
Hazard Class:4.1
Packing Group:III
HS No:29029010
EINECS:202-049-5
CAS No:91-20-3
May be difficult to export due to hazard incompatibility

1-NAPHTHOL
CHEMICALLY PURE
C10H7.OH = 144.17
Melting point94 - 96ºC
N0402/D6  25gGx1x6
N0402/E1  100gGx1x6
H: H312, H302, H315, H318, H335
P: P280, P260, P302+P352, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2811
Hazard Class:6.1
Packing Group:III
HS No:29071510
EINECS:201-969-4
CAS No:90-15-3

2-NAPHTHOL
CHEMICALLY PURE
C10H7.OH = 144.17
Assay97% min
Melting point121 - 123ºC
N0502/E1  100gGx1x6
N0502/E4  500gGx1x6
H: H302, H319, H332, H400
P: P273, P305+P351+P338
P symbolP symbol
WARNING 		UN No:2811
Hazard Class:6.1
Packing Group:III
HS No:29071590
EINECS:205-182-7
CAS No:135-19-3

p-NAPHTHOLBENZEIN
pH Indicator
pH 8.5 - 9.8yellow to green
N0585/P3  5gPx1x6
H: H315, H319, H335
P: P261, P305+P351+P338
P symbolWARNING
HS No:29145000
EINECS:205-656-3
CAS No:145-50-6

NAPHTHOL BLUE BLACK
C.I.20470
Identification Passes test
N0555/P3  5gPx1x6
H: H315, H319, H336
P: P261, P305+P351+P338
P symbolWARNING
HS No:32041200
EINECS:213-903-1
CAS No:1064-48-8

N-(1-NAPTHYL)ETHYLENEDIAMINE dihydrochloride
ANALYTICAL REAGENT
C10H7.NH.CH2.CH2.NH2.2HCl = 259.18
Suitable for the detection of nitrite
Assay90% min.
N0624/P4  10gPx1x6
H: H315, H319
P: P260, P302+P352, P305+P351+P338
P symbolWARNING
HS No:29215990
EINECS:215-981-2
CAS No:1465-25-4

NEOCUPRONINE HYDROCHLORIDE

see - 2,9-DIMETHYL-1,10-PHENANTHROLINE Hydrochloride

NESSLER'S REAGENT
For the detection and determination of ammonia and ammonium salts
Sensitivity to Ammonium ionsPasses test
N0705/L1  500mlPNx1x12
H: H300, H373, H314
P: P301+P330+P331, P280, P305+P351+P338, P273
P symbolP symbol
P symbolDANGER 		UN No:2922
Hazard Class:8(6.1)
Packing Group:II
HS No:38220000

NEUTRAL RED
pH Indicator
C.I.50040
pH 6.8 - 8.0red to orange
N0802/P3  5gPx1x6
N0802/D6  25gGx1x6

HS No:32041300
EINECS:209-035-8
CAS No:553-24-2

NEUTRAL RED 1% aqueous solution
Identification Passes test
N0845/L1  500mlPNx1

HS No:38220000

NICKEL
standard solution 1000ppm
MatrixNitric acid (0.5M)
SoluteNickel[II] nitrate
AA1038/L2  500mlPWx1
H: H319, H315
P: P280, P302+P352, P305+P351+P338
P symbolWARNING
HS No:38220000

NICKEL foil 0.15mm
Ni = 58.71
Identification Passes test
N0985/Y1  100gx1x6
H: H351, H372, H317, H412
P: P273, P281, P308+P313, P302+P352
P symbolP symbol
DANGER
HS No:75061000
EINECS:231-111-4
CAS No:7440-02-0

NICKEL(II) CARBONATE basic
NiCO3.2Ni(OH)2.4H2O approx
Identification Passes test
N1401/R2  250gPx1x6
H: H302, H360, H372, H315, H400, H410, H317, H332, H334, H341, H350
P: P260, P261, P280, P285, P405, P501
P symbolP symbol
P symbolDANGER 		UN No:3077
Hazard Class:9
Packing Group:III
HS No:28369917
EINECS:235-715-9
CAS No:12607-70-4

NICKEL(II) CHLORIDE
CHEMICALLY PURE
NiCl3.6H2O = 237.71
Assay97% min.
Sulphate(SO4)<0.05%
Cobalt(Co)<0.02%
Iron(Fe)<0.02%
N1502/R2  250gPx1x6
N1502/R4  500gPx1x6
N1502/R9  3KgPx1x4
H: H350, H341, H360, H301+H331, H373, H315, H334, H317, H410
P: P210, P273, P308+P313, P304+P340, P302+P352
P symbolP symbol
P symbolDANGER 		UN No:3288
Hazard Class:6.1
Packing Group:III
HS No:28273500
EINECS:231-743-0
CAS No:7791-20-0

NICKEL(II) CHLORIDE
ANALYTICAL REAGENT
NiCl3.6H2O = 237.71
Assay98% min.
Sulphate(SO4)<0.005%
Calcium(Ca)<0.005%
Cobalt(Co)<0.005%
Iron(Fe)<0.001%
Zinc(Zn)<0.001%
N1504/R2  250gPx1x6
H: H350, H341, H360, H301+H331, H373, H315, H334, H317, H410
P: P210, P273, P308+P313, P304+P340, P302+P352
P symbolP symbol
P symbolDANGER 		UN No:3288
Hazard Class:6.1
Packing Group:III
HS No:28273500
EINECS:231-743-0
CAS No:7791-20-0

NICKEL(II) NITRATE
CHEMICALLY PURE
Ni(NO3)2.6H2O = 290.79
Assay98% min.
Chloride(Cl)<0.01%
Sulphate(SO4)<0.05%
Iron(Fe)<0.02%
N1702/R2  250gPx1x6
H: H350, H317, H410, H360, H272, H341, H372, H302+H332, H315, H318, H334
P: P201, P273, P280, P301+P310, P302+P352, P304+P341, P342+P311, P305+P351+P338, P308+P313
P symbolP symbol
P symbolP symbol
DANGER 		UN No:2725
Hazard Class:5.1
Packing Group:III
HS No:28342920
EINECS:236-068-5
CAS No:13478-00-7
May be difficult to export due to hazard incompatibility

NICKEL(II) SULPHATE hydrated
CHEMICALLY PURE
NiSO4.xH2O
Assay21.0 - 23.0% Ni
Cobalt(Co)<0.5%
Iron(Fe)<0.02%
Alkalis<0.2%
N1902/R2  250gPx1x6
N1902/R4  500gPx1x6
N1902/R9  3KgPx1x4
H: H350, H341, H360, H372, H302+H332, H315, H334, H317, H410
P: P210, P280, P273, P308+P313, P342+P311, P302+P352
P symbolP symbol
P symbolDANGER 		UN No:3077
Hazard Class:9
Packing Group:III
HS No:28332400
EINECS:232-104-9
CAS No:10101-97-0

NINHYDRIN
ANALYTICAL REAGENT
C6H4.CO.CO.CO.H2O = 178.14
Suitable for the determination of amino acids
Assay99% min.
Residue after ignition>0.1%
N2904/D6  25gGx1x6
N2904/E1  100gGx1x6
H: H302, H315, H319
P: P302+P352, P305+P351+P338
P symbolWARNING
HS No:29144090
EINECS:207-618-1
CAS No:485-47-2

NITRIC ACID 69%
TECHNICAL GRADE
HNO3 = 63.01
Assayabout 69%
Weight per mlabout 1.42g
N4601/B9  2.5LS/Cx1x4
N4601/B8  2.5LGx1x4
N4601/M5  25LPDx1x4
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309, P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2
May be difficult to export due to hazard incompatibility

NITRIC ACID 69%
CHEMICALLY PURE
HNO3 = 63.01
Assay69.0% min.
Weight per mlabout 1.42g
Chloride(Cl)<0.005%
Sulphate(SO4)<0.01%
Arsenic(As)<0.0001%
Iron(Fe)<0.005%
Lead(Pb)<0.0005%
Non-volatile residue<0.01%
N4602/B5  1LGx1x6
N4602/B9  2.5LS/Cx1x4
N4602/B8  2.5LGx1x4
N4602/M5  25LPDx1x4
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309, P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2
May be difficult to export due to hazard incompatibility. Can also be supplied conforming to BP specification

NITRIC ACID
69% BP
HNO3 = 63.01
Assay69 - 71%
Weight per mlabout 1.42g
Chloride(Cl)<0.005%
Sulphate(SO4) <0.01%
Arsenic(As)<0.0001%
Iron(Fe)<0.005%
Lead(Pb)<0.0002%
Non-volatile residue<0.01%
N4603/B8  2.5LGx1
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309, P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8(5.1)
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2
May be difficult to export due to hazard incompatability

NITRIC ACID 69%
ANALYTICAL REAGENT
HNO3 = 63.01
Assay69% min
Weight per mlabout 1.42g
Chloride(Cl)<0.00005%
Phosphate(PO4)<0.00005%
Sulphate(SO4)<0.0002%
Aluminium(Al)<0.1ppm
Arsenic(As)<0.01ppm
Barium(Ba)<0.05ppm
Cadmium(Cd)<0.02ppm
Calcium(Ca)<1ppm
Chromium(Cr)<0.05ppm
Cobalt(Co)<0.01ppm
Copper(Cu)<0.02ppm
Iron(Fe)<0.2ppm
Lead(Pb)<0.05ppm
Magnesium(Mg)<0.2ppm
Manganese(Mn)<0.01ppm
Molybdenum(Mo)<0.02ppm
Nickel(Ni)<0.05ppm
Potassium(K)<0.2ppm
Sodium(Na)<3ppm
Strontium(Sr)<0.02ppm
Zinc(Zn)<0.1ppm
Non-volatile residue<0.001%
N4604/B5  1LGx1x4
N4604/B9  2.5LS/Cx1x4
N4604/B8  2.5LGx1x4
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309+P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8(5.1)
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2
May be difficult to export due to hazard incompatibility

NITRIC ACID 69%
HPA for trace metal analysis
HNO3 = 63.01
Assay69.0% min.
Chloride(Cl)<0.00005%
Phosphate(PO4)<0.00005%
Sulphate(SO4)<0.00005%
Aluminium(Al)<20ppb
Antimony(Sb)<5ppb
Arsenic(As)<5ppb
Barium(Ba)<20ppb
Beryllium(Be)<10ppb
Bismuth(Bi)<20ppb
Boron(B)<10ppb
Cadmium(Cd)<10ppb
Calcium(Ca)<100ppb
Chromium(Cr)<20ppb
Cobalt(Co)<10ppb
Copper(Cu)<10ppb
Gallium(Ga)<20ppb
Gold(Au)<10ppb
Iron(Fe)<100ppb
Lead(Pb)<20ppb
Lithium(Li)<10ppb
Magnesium(Mg)<50ppb
Manganese(Mn)<10ppb
Molybdenum(Mo)<20ppb
Nickel(Ni)<10ppb
Potassium(K)<50ppb
Sodium(Na)<100ppb
Strontium(Sr)<20ppb
Thallium(Tl)<10ppb
Tin(Sn)<10ppb
Titanium(Ti)<20ppb
Vanadium(V)<10ppb
Zinc(Zn)<50ppb
Zirconium(Zr)<10ppb
N4606/L9  2.5LPWx1
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309+P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8(5.1)
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2

NITRIC ACID 65%
ANALYTICAL REAGENT
HNO3 = 63.01
Assay64 - 66%
Weight per ml1.390 - 1.310g
Chloride(Cl)<0.5ppm
Phosphate(PO4)<0.5ppm
Sulphate(SO4)<0.5ppm
Aluminium(Al)<0.1ppm
Arsenic(As)<0.01ppm
Barium(Ba)<0.1ppm
Cadmium(Cd)<0.01ppm
Calcium(Ca)<0.5ppm
Chromium(Cr)<0.1ppm
Cobalt(Co)<0.02ppm
Copper(Cu)<0.01ppm
Iron(Fe)<0.2ppm
Lead(Pb)<0.02ppm
Magnesium(Mg)<0.1ppm
Manganese(Mn)<0.01ppm
Molybdenum(Mo)<0.05ppm
Nickel(Ni)<0.05ppm
Potassium(K)<0.1ppm
Sodium(Na)<0.5ppm
Strontium(Sr)<0.02ppm
Zinc(Zn)<0.05ppm
Residue on ignition<0.0005%
N4304/L9  2.5LPWx1x4
H: H272, H314, H290
P: P260, P280, P301+P330+P331, P309+P310, P305+P351+P338
P symbolP symbol
DANGER 		UN No:2031
Hazard Class:8
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2

NITRIC ACID 65%
ANALYTICAL REAGENT
HNO3 = 63.01
DANGER UN No:2031
Hazard Class:8
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2

NITRIC ACID 1.0M solution
VOLUMETRIC SOLUTION
HNO3 = 63.01
Identification Passes test
N4822/L6  1LPWx1
H: H314
P: P280, P303+351+338, P310
P symbolDANGER UN No:2031
Hazard Class:8
Packing Group:II
HS No:28080000
EINECS:231-714-2
CAS No:7697-37-2

3-NITROANILINE
CHEMICALLY PURE
NO2.C6H4.NH2 = 138.13
Assay98% min.
Melting point112 - 114ºC
N5282/R1  100gPx1
H: H331, H311, H301, H373, H412
P: P273, P280, P304+P340, P302+P352
P symbolP symbol
DANGER 		UN No:1661
Hazard Class:6.1
Packing Group:II
HS No:29214210
EINECS:202-729-1
CAS No:99-09-2

4-NITROANILINE
CHEMICALLY PURE
NO2.C6H4.NH2 = 138.13
Assay98% min.
Melting point147 - 149ºC
N5302/R1  100gPx1
H: H301+H311+H331, H373, H412
P: P273, P280, P304+P340, P302+P352
P symbolP symbol
DANGER 		UN No:1661
Hazard Class:6.1
Packing Group:II
HS No:29214210
EINECS:202-810-1
CAS No:100-01-6

NITROBENZENE
CHEMICALLY PURE
C6H5.NO2 = 123.11
Assay98% min.
Weight per mlabout 1.20g
Freezing point5 - 6ºC
N5602/B1  500mlGx1
H: H351, H361, H301+H311+H331, H372, H411
P: P273, P280, P302+P352, P304+P340
P symbolP symbol
P symbolDANGER 		UN No:1662
Hazard Class:6.1
Packing Group:II
HS No:29042000
EINECS:202-716-0
CAS No:98-95-3

NITROETHANE
CH3CH2NO2 = 75.07
Assay98% min.
N5902/B1  500mlGx1
H: H226, H302+H332
P: P210, P262
P symbolP symbol
WARNING 		UN No:2842
Hazard Class:3
Packing Group:III
HS No:29042000
EINECS:201-188-9
Flash Point (°C): 28
CAS No:79-24-3

2-NITROPHENOL
CHEMICALLY PURE
NO2.C6H4OH = 139.11
Assay98% min.
N6762/E1  100gGx1x6
H: H302, H315, H319, H335
P: P261, P305+P351+P338
P symbolWARNING UN No:1663
Hazard Class:6.1
Packing Group:III
HS No:29089990
EINECS:201-857-5
CAS No:88-75-5

4-NITROPHENOL
CHEMICALLY PURE
NO2.C6H4.OH = 139.11
Assay98% min
Melting point111 - 114ºC
N6802/E2  250gGx1x6
H: H302+H312+H332, H373
P: P315, P302+P352
P symbolP symbol
WARNING 		UN No:1663
Hazard Class:6.1
Packing Group:III
HS No:29089990
EINECS:202-811-7
CAS No:100-02-7

4-NITROPHENYLPHOSPHATE di-Sodium salt
CHEMICALLY PURE
NO2.C6H4.Na2PO4.6H20 = 371.15
Suitable for milk testing
Assay(as anhydrous)98% min
4-Nitrophenol<0.02%
N7162/P4  10gPx1x6

HS No:29190099
EINECS:224-246-5
CAS No:4264-83-9

NUTRIENT AGAR

see - AGAR NUTRIENT

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